how to count space in a text statement in php

问题

how can we count space between text in php ?

example: hi how are you?

spaces: 3

is there any way to count spaces ?

Language : Only PHP

回答1:

Use this:

substr_count($text, ' ');

回答2:

$arr = count_chars($str,1);
echo $arr[32];

回答3:

You're looking for preg_match_all.

$numSpaces = preg_match_all('/[ ]/', $testStr, $matches);

来源：https://stackoverflow.com/questions/1034017/how-to-count-space-in-a-text-statement-in-php