3v4l.org

run code in 500+ PHP versions simultaneously
<?php $keywords = ["key1", "key2"]; $escaped = implode('|', array_map('preg_quote', $keywords)); $pattern = "/\b(?:" . $escaped . ")\b" . ":?(?:\h+|$)|\b(?!(?:" . $escaped . ")\b)[^\s:]+:/"; $strings = [ "aaa bbb key1 ccc", "aaa bbb key1:xxx key2:", "aaa bbb key1: xxx ccc", "aaa bbb key1 :xxx ccc", "aaa bbb xxx:yyy zzz", "aaa bbb ccc", "aaa bbb key1:aaa ccc ddd", "aaa bbb key2:aaa key1:bbb", "aaa bbb aakey1", "aaa bbb key1aa", "aaa bbb key1aa" ]; foreach ($strings as $s) { preg_match_all($pattern, $s, $matches); if (count($matches[0]) > 0) { foreach ($matches[0] as $m) { echo "Invalid string -->'$m' is invalid format, please check it again..." . PHP_EOL; } } else { echo "Valid string --> '$s'" . PHP_EOL; } }

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.5.70.0110.00516.99
8.5.60.0110.00617.07
8.5.50.0110.00816.94
8.5.30.0100.00820.57
8.5.20.0130.00821.46
8.5.10.0070.01120.14
8.5.00.0120.01023.10
8.4.210.0040.00521.59
8.4.180.0110.01125.67
8.4.170.0080.01419.97
8.4.160.0140.00723.85
8.4.150.0080.00517.02
8.4.140.0140.00917.62
8.4.130.0090.00817.82
8.4.120.0120.00920.75
8.4.110.0130.00718.82
8.4.100.0150.00617.83
8.4.90.0120.00820.90
8.4.80.0060.00218.84
8.4.70.0100.01119.02
8.4.60.0110.00918.80
8.4.50.0140.00818.76
8.4.40.0090.01223.89
8.4.30.0070.01420.43
8.4.20.0170.00318.02
8.4.10.0090.00022.06
8.3.300.0100.01120.70
8.3.290.0090.01120.95
8.3.280.0110.00918.45
8.3.270.0120.00916.55
8.3.260.0110.01016.54
8.3.250.0120.00717.03
8.3.240.0060.00516.76
8.3.230.0120.00816.70
8.3.220.0060.00218.91
8.3.210.0120.00416.82
8.3.200.0080.00116.69
8.3.190.0120.00717.14
8.3.180.0090.00818.69
8.3.170.0040.01417.21
8.3.160.0120.00618.46
8.3.150.0100.00717.29
8.3.140.0030.00616.61
8.3.130.0120.00916.61
8.3.120.0000.00920.84
8.3.110.0050.00318.34
8.3.100.0100.00016.73
8.3.90.0060.01626.77
8.3.80.0030.00618.68
8.3.70.0110.01116.75
8.3.60.0090.00618.43
8.3.50.0060.00920.15
8.3.40.0100.00721.89
8.3.30.0160.00618.79
8.3.20.0030.00524.18
8.3.10.0070.00024.66
8.3.00.0040.00426.16
8.2.300.0140.00720.53
8.2.290.0100.00816.57
8.2.280.0100.00916.86
8.2.270.0000.01816.71
8.2.260.0080.00018.99
8.2.250.0070.00318.65
8.2.240.0030.00617.55
8.2.230.0030.00520.94
8.2.220.0080.00024.06
8.2.210.0150.00026.77
8.2.200.0040.00416.72
8.2.190.0190.00016.75
8.2.180.0060.00925.92
8.2.170.0120.00619.08
8.2.160.0070.00722.96
8.2.150.0000.00725.66
8.2.140.0040.00424.66
8.2.130.0060.00326.16
8.2.120.0080.00026.16
8.2.110.0150.00319.19
8.2.100.0100.00317.88
8.2.90.0030.00519.27
8.2.80.0000.00817.97
8.2.70.0040.00417.88
8.2.60.0000.00817.91
8.2.50.0040.00418.07
8.2.40.0040.00418.16
8.2.30.0050.00218.07
8.2.20.0000.00820.35
8.2.10.0080.00018.02
8.2.00.0040.00419.28
8.1.340.0120.00921.71
8.1.330.0130.00716.34
8.1.320.0110.00817.98
8.1.310.0200.00018.34
8.1.300.0060.01318.24
8.1.290.0060.00330.84
8.1.280.0140.00725.92
8.1.270.0030.00522.14
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0060.00321.18
8.1.230.0070.00420.67
8.1.220.0050.00317.79
8.1.210.0050.00318.77
8.1.200.0030.00617.60
8.1.190.0080.00017.47
8.1.180.0000.00918.10
8.1.170.0030.00518.78
8.1.160.0000.00718.93
8.1.150.0000.00718.79
8.1.140.0080.00017.61
8.1.130.0040.00418.84
8.1.120.0040.00417.60
8.1.110.0000.00817.55
8.1.100.0030.00517.50
8.1.90.0040.00417.62
8.1.80.0040.00717.60
8.1.70.0080.00817.54
8.1.60.0060.00617.64
8.1.50.0070.01017.66
8.1.40.0160.00417.68
8.1.30.0060.00617.73
8.1.20.0090.00517.66
8.1.10.0080.01117.67
8.1.00.0150.00317.67
8.0.300.0050.00218.77
8.0.290.0040.00416.88
8.0.280.0040.00418.42
8.0.270.0070.00016.88
8.0.260.0030.00318.47
8.0.250.0070.00017.09
8.0.240.0030.00317.09
8.0.230.0040.00417.01
8.0.220.0030.00316.96
8.0.210.0080.00816.99
8.0.200.0080.00316.96
8.0.190.0090.00316.94
8.0.180.0090.00316.96
8.0.170.0090.00417.00
8.0.160.0070.00716.93
8.0.150.0120.00316.91
8.0.140.0060.01016.94
8.0.130.0120.00216.93
8.0.120.0080.00617.01
8.0.110.0070.00616.88
8.0.100.0040.01116.97
8.0.90.0110.00417.00
8.0.80.0090.00516.85
8.0.70.0110.00416.81
8.0.60.0050.00916.81
8.0.50.0140.00016.87
8.0.30.0090.00617.05
8.0.20.0170.00017.11
8.0.10.0060.01117.04
7.4.330.0050.00015.55
7.4.320.0030.00316.63
7.4.300.0100.00316.70
7.4.290.0150.00316.82
7.4.280.0130.00516.71
7.4.270.0180.00016.57
7.4.260.0140.00316.74
7.4.250.0110.00716.67
7.4.240.0030.01016.72
7.4.230.0030.01016.80
7.4.220.0090.00516.77
7.4.210.0080.00616.75
7.4.200.0060.00916.83
7.4.190.0070.00716.79
7.4.180.0150.00016.68
7.4.160.0060.00616.46
7.4.150.0070.00516.60
7.4.140.0120.00016.52
7.4.130.0090.00316.55
7.4.120.0070.00416.49
7.4.110.0080.00516.44
7.4.100.0080.00616.79
7.4.90.0120.00316.72
7.4.80.0110.00316.80
7.4.70.0090.00616.60
7.4.60.0160.00016.59
7.4.50.0090.00616.52
7.4.40.0070.00516.62
7.4.30.0060.00616.68
7.4.20.0070.00516.34
7.4.10.0080.00316.55
7.4.00.0070.00416.63

preferences:
31.68 ms | 1358 KiB | 5 Q