(PHP 4, PHP 5, PHP 7)
in_array — ����������Ƿ����ij��ֵ
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TRUE �� in_array() ����������
needle �������Ƿ��
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Example #1 in_array() ����
<?php
$os = array("Mac", "NT", "Irix", "Linux");
if (in_array("Irix", $os)) {
echo "Got Irix";
}
if (in_array("mac", $os)) {
echo "Got mac";
}
?>
�ڶ�������ʧ�ܣ���Ϊ in_array() �����ִ�Сд�ģ��������ϳ�����ʾΪ��
Got Irix
Example #2 in_array() �ϸ����ͼ������
<?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";
}
?>
�������̻������
1.13 found with strict check
Example #3 in_array() ����������Ϊ 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";
}
?>
�������̻������
'ph' was found 'o' was found