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array_flip (PHP4 >= 4.0b4)
array array_flip (array trans)
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$a[0]="abc";
$a[1]="def";
After an array_flip() you get:
$a["abc"]=0; $a["def"]=1;
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array_count_values (PHP4 >= 4.0b4)
array array_count_values (array input)
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