<?php
$pattern = <<<'PATTERN'
/(?xJ)
(?<DN>Mon|Fri|Sun)(?:day)?|
(?<DN>Tue)(?:sday)?|
(?<DN>Wed)(?:nesday)?|
(?<DN>Thu)(?:rsday)?|
(?<DN>Sat)(?:urday)?
/
PATTERN;
$subject = "Monday\nThursday";
preg_match_all($pattern, $subject, $matches, PREG_PATTERN_ORDER);
var_dump($matches);
- Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.21, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- array(7) {
[0]=>
array(2) {
[0]=>
string(6) "Monday"
[1]=>
string(8) "Thursday"
}
["DN"]=>
array(2) {
[0]=>
string(0) ""
[1]=>
string(0) ""
}
[1]=>
array(2) {
[0]=>
string(3) "Mon"
[1]=>
string(0) ""
}
[2]=>
array(2) {
[0]=>
string(0) ""
[1]=>
string(0) ""
}
[3]=>
array(2) {
[0]=>
string(0) ""
[1]=>
string(0) ""
}
[4]=>
array(2) {
[0]=>
string(0) ""
[1]=>
string(3) "Thu"
}
[5]=>
array(2) {
[0]=>
string(0) ""
[1]=>
string(0) ""
}
}
- Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
- Parse error: syntax error, unexpected T_SL in /in/RiJpq on line 3
Process exited with code 255. - Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
- Parse error: parse error, unexpected T_SL in /in/RiJpq on line 3
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/RiJpq on line 3
Process exited with code 255.
preferences:
199.95 ms | 401 KiB | 311 Q