php count vs sizeof

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08 Aug 2016

1//pre-calculate the size of array
2$size = count($x); //or $size = sizeOf($x);
3
4for ($i=0; $i<$size; $i++) {
5    //...
6}
7
8//don't pre-calculate
9for ($i=0; $i<count($x); $i++) { //or $i<sizeOf($x);
10    //...
11}
12

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