俺のフックが名古屋でもこんなに簡単なわけがない。

WordPressのフィルターフック、アクションフックの動作原理と使い方を実例多めに解説した資料です。

Transcript

1. ໊ݹ԰
   Ͱ΋
   ԶͷϑοΫ͕͜Μͳʹ
   ؆୯ͳΘ͚͕ͳ͍ɻ
   ԶͷϑοΫ͕͜Μͳʹ
   ؆୯ͳΘ͚͕ͳ͍ɻ
   ore no hook ga konna ni kantan na wakega nai.
   8PSE'FT/BHPZB
   !)JTTZ/$
   1
   

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2. ͜Μͳઆ໌Έͨ͜ͱ͋Γ·ͤΜ͔ʁ
   function new_excerpt_more($more) {
   return '';
   }
   add_filter('excerpt_more',
   'new_excerpt_more');
   ൈਮͷ>Λফ͢ʹ͸ɺGVODUJPOTQIQʹҎԼͷίʔυΛ
   ίϐʔˍϖʔετ͠·͠ΐ͏ɻ
   2
   

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3. ͜Εɺ࣮͸ʮϑοΫʯͱ͍͍·͢ɻ
   function new_excerpt_more($more) {
   return '';
   }
   add_filter('excerpt_more',
   'new_excerpt_more');
   ൈਮͷ>Λফ͢ʹ͸ɺGVODUJPOTQIQʹҎԼͷίʔυΛ
   ίϐʔˍϖʔετ͠·͠ΐ͏ɻ
   3
   

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4. ϑοΫͷதͰ΋͜Ε͸ʮϑΟϧλʔϑοΫʯ
   function new_excerpt_more($more) {
   return '';
   }
   add_filter('excerpt_more',
   'new_excerpt_more');
   ൈਮͷ>Λফ͢ʹ͸ɺGVODUJPOTQIQʹҎԼͷίʔυΛ
   ίϐʔˍϖʔετ͠·͠ΐ͏ɻ
   4
   

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5. ࠓ೔͸ʮϑοΫʯͷ͘͠Έʹ͍ͭͯͷ͓࿩ɻ
   5
   

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6. ϑοΫʹ͸̎ͭ͋Δɻ
   ΞΫγϣϯϑοΫ
   ϑΟϧλʔϑοΫ
   6
   

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7. 8PSE1SFTTΛྉཧͩͱ
   ߟ͑ͯΈ·͠ΐ͏
   7
   

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8. 8PSE1SFTTͷॲཧ͸
   Ϩγϐ௨Γ࡞ΒΕΔ
   ྉཧͷΑ͏ͳ΋ͷ
   8
   

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9. όλʔHΛࠞͥΔɻ
   ࠭౶HΛՃ͑Δɻ
   ;ΜΘΓ͢Δ·ͰࠞͥΔɻ
   όχϥΤοηϯεΛՃ͑Δɻ
   
   9
   

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10. όλʔHΛࠞͥΔɻ
    ࠭౶HΛՃ͑Δɻ
    ;ΜΘΓ͢Δ·ͰࠞͥΔɻ
    όχϥΤοηϯεΛՃ͑Δɻ
    
    શͯͷॲཧʹ͸ॱ൪͕͋Γ·͕͢ɺ
    ͦΕͧΕ͸ಠཱ͍ͯ͠·͢ɻ
    10
    

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11. όλʔHΛࠞͥΔɻ
    ࠭౶HΛՃ͑Δɻ
    ;ΜΘΓ͢Δ·ͰࠞͥΔɻ
    όχϥΤοηϯεΛՃ͑Δɻ
    
    ༹͖ཛΛՃ͑Δɻ ॲཧΛ௥Ճ
    11
    

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12. όλʔHΛࠞͥΔɻ
    ࠭౶HΛՃ͑Δɻ
    ;ΜΘΓ͢Δ·ͰࠞͥΔɻ
    όχϥΤοηϯεΛՃ͑Δɻ
    
    ༹͖ཛΛՃ͑Δɻ ॲཧΛ௥Ճ
    ΞΫγϣϯϑοΫ
    
    12
    

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13. όλʔHΛࠞͥΔɻ
    ࠭౶HΛՃ͑Δɻ
    ;ΜΘΓ͢Δ·ͰࠞͥΔɻ
    όχϥΤοηϯεΛՃ͑Δɻ
    
    ༹͖ཛΛՃ͑Δɻ Ͳ͜ʹ௥Ճ͔ͨ͠ʁ
    13
    

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14. όλʔHΛࠞͥΔɻ
    ࠭౶HΛՃ͑Δɻ
    ;ΜΘΓ͢Δ·ͰࠞͥΔɻ
    όχϥΤοηϯεΛՃ͑Δɻ
    
    ༹͖ཛΛՃ͑Δɻ
    ʮ;ΜΘΓ͢Δ·Ͱ
    ࠞͥͨޙʯ
    14
    

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15. ΞΫγϣϯϑοΫΛॻ͍ͯΈͨ
    function ༹͖ཛΛՃ͑Δ() {
    }
    add_action(';ΜΘΓ͢Δ·Ͱࠞͥ
    ͨޙ', '༹͖ཛΛՃ͑Δ');
    15
    

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16. ΞΫγϣϯϑοΫΛॻ͍ͯΈͨ
    function ༹͖ཛΛՃ͑Δ() {
    }
    add_action(';ΜΘΓ͢Δ·Ͱࠞͥ
    ͨޙ', '༹͖ཛΛՃ͑Δ');
    ॲཧΛ௥Ճ͢Δ
    ৔ॴΛࢦఆͯ͠ʜ
    16
    

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17. ΞΫγϣϯϑοΫΛॻ͍ͯΈͨ
    function ༹͖ཛΛՃ͑Δ() {
    }
    add_action(';ΜΘΓ͢Δ·Ͱࠞͥ
    ͨޙ', '༹͖ཛΛՃ͑Δ');
    ࣮ߦ͢ΔॲཧΛ
    ؔ਺໊Ͱࢦఆ
    17
    

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18. ΞΫγϣϯϑοΫΛॻ͍ͯΈͨ
    function ༹͖ཛΛՃ͑Δ() {
    }
    add_action(';ΜΘΓ͢Δ·Ͱࠞͥ
    ͨޙ', '༹͖ཛΛՃ͑Δ');
    ϑοΫʹՃ͑Δ
    ॲཧ͸ؔ਺ʢGVODUJPOʣͰॻ͖·͢
    18
    

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19. ͳͥ͜ΜͳΊΜͲ͍͘͞
    ͜ͱΛ͢Δͷ͔ʁ
    19
    

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20. Ϩγϐιʔείʔυ͸
    Ξοϓσʔτ͞ΕΔɻ
    ॻ͖׵͑ͯ͠·͏ͱ͋ͱ
    ͰͲ͜Λฤू͔ͨ͠Θ͔Β
    ͳ͘ͳΔɻ
    20
    

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21. ΧελϚΠζ͸ϑοΫͰߦ͏ͷ͕ݪଇɻ
    ςϯϓϨʔτʹॻ͍ͯ͠·͏ͱɺςʔϚ
    Λม͑ͨ࣌ʹॲཧ͕ফ͑ͯ͠·͏ɻ
    8FC੍࡞ऀ͸͠͹͠͹αΠτͷςʔϚ͸มΘ
    Βͳ͍΋ͷͩͱࢥ͏͕ɺҰԠಛघͳྫͰຊདྷ
    ͸Ϣʔβʔ͕ม͑Δ΋ͷ
    21
    

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22. όλʔHΛࠞͥΔɻ
    ࠭౶HΛՃ͑Δɻ
    ;ΜΘΓ͢Δ·ͰࠞͥΔɻ
    όχϥΤοηϯεΛՃ͑Δɻ
    
    22
    

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23. όλʔHΛࠞͥΔɻ
    ࠭౶HΛՃ͑Δɻ
    ;ΜΘΓ͢Δ·ͰࠞͥΔɻ
    όχϥΤοηϯεΛՃ͑Δɻ
    
    Ϩγϐͷதʹ͸ෳ਺ͷॲཧʹ
    ڞ௨ͨ͠ಈ࡞͕͋Γ·͢ɻ
    23
    

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24. όλʔHΛΑࠞͥ͘Δɻ
    ࠭౶HΛՃ͑Δɻ
    ;ΜΘΓ͢Δ·ͰΑࠞͥ͘Δɻ
    όχϥΤοηϯεΛՃ͑Δɻ
    
    ʮࠞͥΔʯΛ
    ʮΑࠞͥ͘Δʯʹ
    ϑΟϧλʔΛ͔͚ͨ
    24
    

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25. όλʔHΛΑࠞͥ͘Δɻ
    ࠭౶HΛՃ͑Δɻ
    ;ΜΘΓ͢Δ·ͰΑࠞͥ͘Δɻ
    όχϥΤοηϯεΛՃ͑Δɻ
    
    ʮࠞͥΔʯΛ
    ʮΑࠞͥ͘Δʯʹ
    ϑΟϧλʔΛ͔͚ͨ
    ϑΟϧλʔϑοΫ
    
    25
    

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26. ϑΟϧλʔϑοΫΛॻ͍ͯΈͨ
    function ࠞͥΔʹΑ͘Λ଍͢
    ($text) {
    return ‘Α͘’ . $text;
    }
    add_filter('ࠞͥΔ', 'ࠞͥΔʹ
    Α͘Λ଍͢');
    26
    

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27. όλʔHΛΑࠞͥ͘Δɻ
    ;ΜΘΓ͢Δ·ͰΑࠞͥ͘Δɻ
    όχϥΤοηϯεΛՃ͑Δɻ
    
    ʮ࠭౶HΛՃ͑Δʯ
    Λॲཧ͠ͳ͍
    27
    

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28. όλʔHΛΑࠞͥ͘Δɻ
    ;ΜΘΓ͢Δ·ͰΑࠞͥ͘Δɻ
    όχϥΤοηϯεΛՃ͑Δɻ
    
    ʮ࠭౶HΛՃ͑Δʯ
    Λॲཧ͠ͳ͍
    ͜Ε΋ϑΟϧλʔϑοΫ
    
    28
    

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29. ϑΟϧλʔϑοΫΛॻ͍ͯΈͨ
    function ΍Ί͓ͯ͘() {
    return false;
    }
    add_filter('࠭౶ΛՃ͑Δ͔Ͳ͏
    ͔', '΍Ί͓ͯ͘');
    29
    

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30. ΞΫγϣϯϑοΫͷ͓͞Β͍
    function ༹͖ཛΛՃ͑Δ() {
    }
    add_action(';ΜΘΓ͢Δ·Ͱࠞͥ
    ͨޙ', '༹͖ཛΛՃ͑Δ');
    ͋͘·Ͱॲཧͷ௥Ճɻ
    30
    

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31. ϑΟϧλʔϑοΫͷ͓͞Β͍
    function ࠞͥΔʹΑ͘Λ଍͢
    ($text) {
    return ‘Α͘’ . $text;
    }
    add_filter('ࠞͥΔ', 'ࠞͥΔʹ
    Α͘Λ଍͢');
    ͋͘·Ͱطଘͷॲཧͷมߋɻ
    31
    

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32. ΞΫγϣϯϑοΫ͸جຊతʹ
    طଘͷॲཧͷมߋ͸Ͱ͖ͳ͍ɻ
    ϑΟϧλʔϑοΫ͸جຊతʹॲཧࣗମΛ
    ௥Ճ͢Δ͜ͱ͸Ͱ͖ͳ͍ɻ
    32
    

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33. ͨͩ͠ɺྫ֎ʜ
    άϩʔόϧม਺Λ࢖͑͹ΞΫγϣϯϑΟ
    ϧλʔͰ΋طଘͷॲཧͷ݁ՌΛมߋͨ͠
    ΓϑΟϧλʔ͢Δ͜ͱ͕Ͱ͖Δɻ
    άϩʔόϧม਺ςʔϚ΍ϓϥάΠϯΛ·͍ͨͰ
    8PSE1SFTTͷॲཧதͰڞ௨Ͱ࢖༻Ͱ͖Δม਺
    QPTU XQ@RVFSZ XQ@SFXSJUFͳͲ
    ҰԠɺม਺Λ౉ͯ͠ϑΟϧλʔͷΑ͏ʹ΋࢖͑ͯ͠·͏ʜʢ΍΍͍͜͠ʣ
    33
    

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34. ๯಄ͷίʔυΛ΋͏͍ͪͲݟͯΈ·͠ΐ͏
    function new_excerpt_more($more) {
    return '';
    }
    add_filter('excerpt_more',
    'new_excerpt_more');
    34
    

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35. ๯಄ͷίʔυΛ΋͏͍ͪͲݟͯΈ·͠ΐ͏
    function new_excerpt_more($more) {
    return '';
    }
    add_filter('excerpt_more',
    'new_excerpt_more');
    ϑΟϧλʔϑοΫͷొ࿥
    35
    

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36. ๯಄ͷίʔυΛ΋͏͍ͪͲݟͯΈ·͠ΐ͏
    function new_excerpt_more($more) {
    return '';
    }
    add_filter('excerpt_more',
    'new_excerpt_more');
    ϑΟϧλʔΛ࣮ߦ͢Δ
    ؔ਺໊
    36
    

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37. ๯಄ͷίʔυΛ΋͏͍ͪͲݟͯΈ·͠ΐ͏
    function new_excerpt_more($more) {
    return '';
    }
    add_filter('excerpt_more',
    'new_excerpt_more');
    ϑΟϧλʔΛ࣮ߦ͢Δ
    ؔ਺
    37
    

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38. ๯಄ͷίʔυΛ΋͏͍ͪͲݟͯΈ·͠ΐ͏
    function new_excerpt_more($more) {
    return '';
    }
    add_filter('excerpt_more',
    'new_excerpt_more');
    ԿΒ͔ͷ஋Λड͚औͬͯʜ
    38
    

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39. ๯಄ͷίʔυΛ΋͏͍ͪͲݟͯΈ·͠ΐ͏
    function new_excerpt_more($more) {
    return '';
    }
    add_filter('excerpt_more',
    'new_excerpt_more');
    ۭͷจࣈྻΛฦ͍ͯ͠Δ
    39
    

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40. ๯಄ͷίʔυΛ΋͏͍ͪͲݟͯΈ·͠ΐ͏
    function new_excerpt_more($more) {
    return '';
    }
    add_filter('excerpt_more',
    'new_excerpt_more');
    ͜ͷNPSF͸
    Կʹ࢖ΘΕͯΔͷʜ
    40
    

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41. ιʔεΛಡΉ͔͠ͳ͍ʂ
    41
    

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42. ๯಄ͷίʔυΛ΋͏͍ͪͲݟͯΈ·͠ΐ͏
    function new_excerpt_more($more) {
    return '';
    }
    add_filter('excerpt_more',
    'new_excerpt_more');
    ϑοΫΛొ࿥͢Δॲཧ໊
    42
    

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43. ๯಄ͷίʔυΛ΋͏͍ͪͲݟͯΈ·͠ΐ͏
    function new_excerpt_more($more) {
    return '';
    }
    add_filter('excerpt_more',
    'new_excerpt_more');
    BQQMZ@pMUFST FYDFSQU@NPSF
    Ͱ8PSE1SFTTͷιʔείʔυΛݕࡧʂ
    43
    

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44. 8PSE1SFTTίΞϑΝΠϧͷ֘౰ͷίʔυ
    function wp_trim_excerpt($text = '') {
    $raw_excerpt = $text;
    if ( '' == $text ) {
    $text = get_the_content('');
    $text = strip_shortcodes( $text );
    $text = apply_filters('the_content', $text);
    $text = str_replace(']]>', ']]>', $text);
    $excerpt_length = apply_filters('excerpt_length', 55);
    $excerpt_more = apply_filters('excerpt_more', ' ' .
    '[...]');
    $text = wp_trim_words( $text, $excerpt_length,
    $excerpt_more );
    }
    return apply_filters('wp_trim_excerpt', $text, $raw_excerpt);
    }
    wp-includes/formatting.phpʢൈਮʣ
    44
    

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45. 8PSE1SFTTίΞϑΝΠϧͷ֘౰ͷίʔυ
    function wp_trim_excerpt($text = '') {
    $raw_excerpt = $text;
    if ( '' == $text ) {
    $text = get_the_content('');
    $text = strip_shortcodes( $text );
    $text = apply_filters('the_content', $text);
    $text = str_replace(']]>', ']]>', $text);
    $excerpt_length = apply_filters('excerpt_length', 55);
    $excerpt_more = apply_filters('excerpt_more', ' ' .
    '[...]');
    $text = wp_trim_words( $text, $excerpt_length,
    $excerpt_more );
    }
    return apply_filters('wp_trim_excerpt', $text, $raw_excerpt);
    }
    BQQMZ@pMUFST
    ϑΟϧλʔΛ͔͚Δ
    wp-includes/formatting.phpʢൈਮʣ
    45
    

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46. 8PSE1SFTTίΞϑΝΠϧͷ֘౰ͷίʔυ
    function wp_trim_excerpt($text = '') {
    $raw_excerpt = $text;
    if ( '' == $text ) {
    $text = get_the_content('');
    $text = strip_shortcodes( $text );
    $text = apply_filters('the_content', $text);
    $text = str_replace(']]>', ']]>', $text);
    $excerpt_length = apply_filters('excerpt_length', 55);
    $excerpt_more = apply_filters('excerpt_more', ' ' .
    '[...]');
    $text = wp_trim_words( $text, $excerpt_length,
    $excerpt_more );
    }
    return apply_filters('wp_trim_excerpt', $text, $raw_excerpt);
    }
    ઌ΄ͲͷNPSFͷத਎͕൑໌ɻ
    ൒֯εϖʔε>ͩͬͨɻ
    wp-includes/formatting.phpʢൈਮʣ
    46
    

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47. ๯಄ͷίʔυʹ໭͖ͬͯ·ͨ͠
    function new_excerpt_more($more) {
    return '';
    }
    add_filter('excerpt_more',
    'new_excerpt_more');
    ͭ·Γ͜ͷNPSF͸
    bbb>`ͱ͍͏จࣈྻͰͨ͠
    47
    

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48. ๯಄ͷίʔυʹ໭͖ͬͯ·ͨ͠
    function new_excerpt_more($more) {
    return '';
    }
    add_filter('excerpt_more',
    'new_excerpt_more');
    ϑΟϧλʔϑοΫΛ࢖ͬͯ
    ۭͷจࣈྻΛฦ͢͜ͱͰʜ
    48
    

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49. 8PSE1SFTTίΞϑΝΠϧͷ֘౰ͷίʔυ
    function wp_trim_excerpt($text = '') {
    $raw_excerpt = $text;
    if ( '' == $text ) {
    $text = get_the_content('');
    $text = strip_shortcodes( $text );
    $text = apply_filters('the_content', $text);
    $text = str_replace(']]>', ']]>', $text);
    $excerpt_length = apply_filters('excerpt_length', 55);
    $excerpt_more = apply_filters('excerpt_more', ' ' .
    '[...]');
    $text = wp_trim_words( $text, $excerpt_length,
    $excerpt_more );
    }
    return apply_filters('wp_trim_excerpt', $text, $raw_excerpt);
    }
    ίΞϑΝΠϧதͷFYDFSQU@NPSFʹ
    ୅ೖ͞ΕΔ஋͕มΘΔ
    wp-includes/formatting.phpʢൈਮʣ
    49
    

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50. ʜʜ෇͍͖ͯͯΔ͔ʔͬʂʁ
    50
    

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51. Ͱ͸͞Βʹ࣮ફฤɻ
    51
    

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52. 8PSE1SFTTͷΧςΰϦʔ΢ΟδΣοτ
    ฒͼॱΛม͍͑ͨͳ͊ʜ
    52
    

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53. ฒͼॱͷઃఆ͕ͳ͍ʜ
    53
    

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54. ͯ͜͜͞Ͱ࣭໰ɻ
    ΧςΰϦʔ΢ΟδΣοτ͕දࣔ͢Δ
    ΧςΰϦʔͷฒͼॱΛม͍͑ͨɻ
    ͜Ε͸ΞΫγϣϯϑοΫʁ
    ϑΟϧλʔϑοΫʁ
    54
    

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55. ֘౰෦෼ͷίʔυ
    /**
    * Categories widget class
    *
    * @since 2.8.0
    */
    class WP_Widget_Categories extends WP_Widget {
    ...
    ! ! $cat_args = array('orderby' => 'name', 'show_count' => $c,
    'hierarchical' => $h);
    ...
    ! !
    ! ! $cat_args['title_li'] = '';
    ! ! wp_list_categories(apply_filters('widget_categories_args',
    $cat_args));
    ?>
    ! !
    ...
    wp-includes/default-widget.phpʢൈਮʣ
    55
    

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56. ֘౰෦෼ͷίʔυ
    /**
    * Categories widget class
    *
    * @since 2.8.0
    */
    class WP_Widget_Categories extends WP_Widget {
    ...
    ! ! $cat_args = array('orderby' => 'name', 'show_count' => $c,
    'hierarchical' => $h);
    ...
    ! !
    ! ! $cat_args['title_li'] = '';
    ! ! wp_list_categories(apply_filters('widget_categories_args',
    $cat_args));
    ?>
    ! !
    ...
    XQ@MJTU@DBUFHPSJFT
    ؔ਺Ͱ
    ΧςΰϦʔͷҰཡΛग़ྗͯ͠ΔΑ͏ͩɻ
    wp-includes/default-widget.phpʢൈਮʣ
    56
    

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57. ֘౰෦෼ͷίʔυ
    /**
    * Categories widget class
    *
    * @since 2.8.0
    */
    class WP_Widget_Categories extends WP_Widget {
    ...
    ! ! $cat_args = array('orderby' => 'name', 'show_count' => $c,
    'hierarchical' => $h);
    ...
    ! !
    ! ! $cat_args['title_li'] = '';
    ! ! wp_list_categories(apply_filters('widget_categories_args',
    $cat_args));
    ?>
    ! !
    ...
    Φϓγϣϯ஋DBU@BSHTʹ
    ϑΟϧλʔΛ௨ͯ͋͠Δʂ
    ͜ΕͰฒͼॱ΋มߋͰ͖ͦ͏ɻ
    wp-includes/default-widget.phpʢൈਮʣ
    57
    

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58. ֘౰෦෼ͷίʔυ
    /**
    * Categories widget class
    *
    * @since 2.8.0
    */
    class WP_Widget_Categories extends WP_Widget {
    ...
    ! ! $cat_args = array('orderby' => 'name', 'show_count' => $c,
    'hierarchical' => $h);
    ...
    ! !
    ! ! $cat_args['title_li'] = '';
    ! ! wp_list_categories(apply_filters('widget_categories_args',
    $cat_args));
    ?>
    ! !
    ...
    Φϓγϣϯ஋DBU@BSHT͸
    ഑ྻͳΜͩͳɻ
    ฒͼॱ͸໊લॱʹͳ͍ͬͯΔͳɻ
    wp-includes/default-widget.phpʢൈਮʣ
    58
    

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59. ֘౰෦෼ͷίʔυ
    /**
    * Categories widget class
    *
    * @since 2.8.0
    */
    class WP_Widget_Categories extends WP_Widget {
    ...
    ! ! $cat_args = array('orderby' => 'name', 'show_count' => $c,
    'hierarchical' => $h);
    ...
    ! !
    ! ! $cat_args['title_li'] = '';
    ! ! wp_list_categories(apply_filters('widget_categories_args',
    $cat_args));
    ?>
    ! !
    ...
    ϑΟϧλʔ໊͸
    ʮXJEHFU@DBUFHPSJFT@BSHTʯ͔ɻ
    wp-includes/default-widget.phpʢൈਮʣ
    59
    

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60. GVODUJPOTQIQʹهࡌ͢Δίʔυ
    function change_widget_category_orderby( $cat_args )
    {
    $cat_args['orderby'] = 'count';
    $cat_args['order'] = 'DESC';
    return $cat_args;
    }
    add_filter( 'widget_categories_args',
    'change_widget_category_orderby' );
    60
    

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61. GVODUJPOTQIQʹهࡌ͢Δίʔυ
    function change_widget_category_orderby( $cat_args )
    {
    $cat_args['orderby'] = 'count';
    $cat_args['order'] = 'DESC';
    return $cat_args;
    }
    add_filter( 'widget_categories_args',
    'change_widget_category_orderby' );
    XQ@MJTU@DBUFHPSJFT
    ͷ
    Φϓγϣϯ஋Λ഑ྻͰड͚औͬͯʜ
    ˢ
    ͜Ε͕ιʔεΛಡ·ͳ͍ͱ෼͔Βͳ͍
    61
    

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62. GVODUJPOTQIQʹهࡌ͢Δίʔυ
    function change_widget_category_orderby( $cat_args )
    {
    $cat_args['orderby'] = 'count';
    $cat_args['order'] = 'DESC';
    return $cat_args;
    }
    add_filter( 'widget_categories_args',
    'change_widget_category_orderby' );
    มߋ͍ͨ͠Φϓγϣϯ஋Λ
    ઃఆͯ͠ʜ
    ˢ
    ͬͪ͜͸$PEFYͷXQ@MJTU@DBUFHPSJFTͷ
    ϖʔδΛݟͳ͍ͱ෼͔Βͳ͍
    62
    

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63. GVODUJPOTQIQʹهࡌ͢Δίʔυ
    function change_widget_category_orderby( $cat_args )
    {
    $cat_args['orderby'] = 'count';
    $cat_args['order'] = 'DESC';
    return $cat_args;
    }
    add_filter( 'widget_categories_args',
    'change_widget_category_orderby' );
    ฦ͢
    63
    

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64. Ͱ͖ͨʂ
    ΧςΰϦʔͷ
    ౤ߘ਺ॱ
    
    ߱ॱ
    64
    

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65. ͜ͷΑ͏ʹɺϑΟϧλʔϑοΫ͸
    ϑΟϧλʔ͞ΕΔ஋͕ͲΜͳ஋Ͱ
    ϑΟϧλʔϑοΫͰฦͨ͠஋͕
    ͦͷޙͲͷΑ͏ʹ࢖ΘΕΔͷ͔͸ɺ
    ϑοΫʹΑͬͯҟͳΔ͠ɺ
    ιʔεΛݟͳ͍ͱ෼͔Βͳ͍ɻ
    65
    

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66. ͞ΒʹɺΞΫγϣϯϑοΫ͸
    8PSE1SFTT͕ͲΜͳॱ൪Ͱ
    ԿΛॲཧ͍ͯ͠Δͷ͔ɺ
    ͋Δఔ౓Θ͔ͬͯͳ͍ͱ
    Ͳ͜ʹϑοΫ͍͍ͯ͠ͷ͔
    ෼͔Βͳ͍ɻ
    66
    

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67. ͑ʁ݁ہ
    ೉͍͠͡Όͳ͍͔ͬͯʜʁ
    ?
    67
    

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68. ԶͷϑοΫ
    ͕ͦΜͳʹ
    ؆୯ͳΘ͚͕ͳ͍ʂ
    ԶͷϑοΫ
    ͕ͦΜͳʹ
    ؆୯ͳΘ͚͕ͳ͍ʂ
    68
    

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69. ϑΟϧλʔϑοΫͷσόοάʹ͸
    %FCVH#BS&YUFOEFSϓϥάΠϯͷ
    7BSJBCMF-PPLVQػೳ͕ศར
    IUUQXPSEQSFTTPSHFYUFOEQMVHJOTEFCVHCBSFYUFOEFS
    Ͱ΋
    ΞΫγϣϯϑοΫͱϑΟϧλʔϑοΫͷ
    ҧ͍ɺجຊతͳߟ͑ํΛ஌͓͚ͬͯ͹
    ͦΜͳʹා͘ͳ͍Αʂ
    69
    

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70. Ͱ͸࠷ޙʹ࿅श໰୊ɻ
    70
    

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71. XQMPHJOQIQΛΧελϚΠζͯ͠ΈΑ͏
    XQMPHJOQIQ͸ϩάΠϯը໘
    ݟͨ໨ΛΧελϚΠζͰ͖Δ֤छͷ
    ΞΫγϣϯˍϑΟϧλʔϑοΫ͕͋Δ
    ͙͢ʹ֬ೝͰ͖Δ͠Өڹൣғ΋গͳ͍ͷ
    Ͱ࿅श޲͖
    71
    

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72. XQMPHJOQIQͷϑΟϧλʔϑοΫ
    $login_header_url = __( 'http://wordpress.org/' );
    ...
    $login_header_url =
    apply_filters( 'login_headerurl',
    $login_header_url );
    ...
    bloginfo( 'name' ); ?>
    wp-login.phpʢൈਮʣ
    72
    

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73. XQMPHJOQIQͷϑΟϧλʔϑοΫ
    $login_header_url = __( 'http://wordpress.org/' );
    ...
    $login_header_url =
    apply_filters( 'login_headerurl',
    $login_header_url );
    ...
    bloginfo( 'name' ); ?>
    wp-login.phpʢൈਮʣ
    ม਺MPHJO@IFBEFS@VSMʹ͸
    8PSE1SFTTެࣜαΠτͷ63-͕
    ֨ೲ͞Ε͍ͯΔ
    ʢ຋༁ϑΝΠϧʹΑ࣮ͬͯࡍʹ͸
    KBXPSEQSFTTPSHʹͳΔʣ
    73
    

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74. XQMPHJOQIQͷϑΟϧλʔϑοΫ
    $login_header_url = __( 'http://wordpress.org/' );
    ...
    $login_header_url =
    apply_filters( 'login_headerurl',
    $login_header_url );
    ...
    bloginfo( 'name' ); ?>
    wp-login.phpʢൈਮʣ
    ม਺MPHJO@IFBEFS@VSMʹ
    ϑΟϧλʔ͕ద༻͞Ε͍ͯΔ
    74
    

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75. XQMPHJOQIQͷϑΟϧλʔϑοΫ
    $login_header_url = __( 'http://wordpress.org/' );
    ...
    $login_header_url =
    apply_filters( 'login_headerurl',
    $login_header_url );
    ...
    bloginfo( 'name' ); ?>
    wp-login.phpʢൈਮʣ
    ม਺MPHJO@IFBEFS@VSM͕
    ࢖ΘΕ͍ͯΔͷ͸ϩάΠϯ
    ϑΥʔϜͷϩΰͷϦϯΫઌ
    75
    

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76. GVODUJPOTQIQ͔ΒϦϯΫઌΛม͑ͯΈΑ͏
    function change_login_headerurl( $login_headerurl )
    {
    ! return 'http://2013.wordfes.org/';
    }
    add_filter( 'login_headerurl',
    'change_login_headerurl' );
    76
    

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77. XQMPHJOQIQͷΞΫγϣϯϑοΫ
    
    wp-login.phpʢൈਮʣ
    ΞΫγϣϯϑοΫ͕࣮ߦ͞ΕΔͷ͸
    EP@BDUJPOؔ਺
    ॲཧͷʮ௥ՃʯͳͷͰɺ
    طଘͷ஋Λ࢖͏͜ͱ΋ͳ͘
    γϯϓϧͰ͢Ͷɻ
    77
    

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78. XQMPHJOQIQͷΞΫγϣϯϑοΫ
    function login_footer_message() {
    ! echo 'ͭͳ͕Ζ·͍ʂ';
    }
    add_action( 'login_footer',
    'login_footer_message' );
    ϝοηʔδΛ௥Ճͯ͠Έͨ
    78
    

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79. ࿅श໰୊ɿϩάΠϯΤϥʔϝοηʔδ
    echo '' .
    apply_filters('login_errors', $errors) . "\n";
    wp-login.phpʢൈਮʣ
    ΤϥʔϝοηʔδͷʮɻʯΛ
    ʮὑʯʹม͑ͯΈ·͠ΐ͏ʂ
    ղ౴͸ͪ͜Β
    IUUQTHJTUHJUIVCDPNIJTTZ
    DGCB
    79
    

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80. ϑοΫ͕ා͘ͳ͘ͳ͔ͬͨͳʁʁ
    80
    

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81. ϑοΫʹؔ͢ΔϒϩάΛ৭ʑΞοϓͯ͠·͢ɻ
    ϑΟϧλʔϑοΫɿΧελϜϝχϡʔͷ߲໨ʹ෇༩͞ΕΔΫϥεΛΧελϚΠζ͢Δ
    IUUQOPUOJMDSFBUJWFDPNCMPHBSDIJWFT
    ϑΟϧλʔϑοΫɿݕࡧ݁ՌͰ౤ߘλΠϓ͝ͱʹҧ͏ςϯϓϨʔτϑΝΠϧΛ࢖͏
    IUUQOPUOJMDSFBUJWFDPNCMPHBSDIJWFT
    ΞΫγϣϯϑοΫɿςʔϚ͔Β+BWBTDSJQU΍$44ΛಡΈࠐΉॻ͖ํ·ͱΊ
    IUUQOPUOJMDSFBUJWFDPNCMPHBSDIJWFT
    ΞΫγϣϯϑοΫɿπʔϧόʔΛΧελϚΠζ͢Δ
    IUUQOPUOJMDSFBUJWFDPNCMPHBSDIJWFT
    ΞΫγϣϯϑοΫɿύϯͣ͘φϏήʔγϣϯʢ#SFBEDSVNC/BW95ʣΛΧελϚΠζ͢Δ
    IUUQOPUOJMDSFBUJWFDPNCMPHBSDIJWFT
    ϑΟϧλʔϑοΫɿΪϟϥϦʔΛΧελϚΠζͯ͠޷͖ͳK2VFSZϓϥάΠϯΛ࢖͏
    IUUQOPUOJMDSFBUJWFDPNCMPHBSDIJWFT
    81
    

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82. 5IBOLT
    82
    

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