PHP ʖ²ἯTH
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in_array
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=ד 1. in_array() =ד
$os = array ("Mac", "NT", "Irix", "Linux"); if (in_array ("Irix", $os)) {print "Got Irix";} if (in_array ("mac", $os)) {print "Got mac";}
Got Irix
=ד 2. in_array() я¸ͼ첩=ד
?php $a = array('1.10', 12.4, 1.13); if (in_array('12.4', $a, TRUE)) echo "'12.4' found with strict check\n"; if (in_array(1.13, $a, TRUE)) echo "1.13 found with strict check\n";?
½«ϔʾ£º
1.13 found with strict check
=ד 3. in_array() ӃʽשΪ needle
?php $a = array(array('p', 'h'), array('p', 'r'), 'o'); if (in_array(array ('p', 'h'), $a)) echo "'ph' was found\n"; if (in_array(array ('f', 'i'), $a)) echo "'fi' was found\n"; if (in_array('o', $a)) echo "'o' was found\n";? // This will output: 'ph' was found 'o' was found
º/A
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extract
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key