1--TEST-- 2preg_replace() fifth parameter - count 3--FILE-- 4<?php 5$regex = '/(([0-9a-z]+)-([0-9]+))-(([0-9]+)-([0-9]+))/'; 6 7$string= '1-2-3-4 a-2-3-4 1-a-3-4 1-2-a-4 1-2-3-a a-a-a-a 4-3-2-1 100-200-300-400-500-600-700-800'; 8$count = 0; 9var_dump(preg_replace($regex, 'xxxx', $string, -1, $count)); 10var_dump($count); 11////////////////////////////////////////////////////// 12 13$regex = '/([a-z]+)/'; 14 15$string= 'Here must only number like 42 and 13 appear'; 16var_dump(preg_replace($regex, 'xxxx', $string, -1, $count)); 17var_dump($count); 18 19//////////////////////////////////////////////////////// 20$regex = '~((V(I|1)(4|A)GR(4|A))|(V(I|1)C(0|O)D(I|1)(N|\/\\\/)))~i'; 21 22$string= 'Viagra V14GR4 Vicodin V1C0D1/\/ v1c0d1/|/'; 23var_dump(preg_replace($regex, '...', $string, -1, $count)); 24var_dump($count); 25//////////////////////////////////////////////////////// 26$regex = '~((V(I|1)(4|A)GR(4|A))|(V(I|1)C(0|O)D(I|1)(N|\/\\\/)))~i'; 27$count = NULL; 28$string= 'Viagra V14GR4 Vicodin V1C0D1/\/ v1c0d1/|/'; 29var_dump(preg_replace($regex, '...', $string, -1)); 30var_dump($count); 31?> 32--EXPECT-- 33string(56) "xxxx xxxx 1-a-3-4 1-2-a-4 1-2-3-a a-a-a-a xxxx xxxx-xxxx" 34int(5) 35string(41) "Hxxxx xxxx xxxx xxxx xxxx 42 xxxx 13 xxxx" 36int(7) 37string(25) "... ... ... ... v1c0d1/|/" 38int(4) 39string(25) "... ... ... ... v1c0d1/|/" 40NULL 41
