3v4l.org

run code in 300+ PHP versions simultaneously
<?php $strings = [ 'asds asds asdas dasds', 'asdasd asds asd key1:asds', 'asdasd asdsd key2:asdsd asd key1: asdsad', 'asddfs asfasas key2: asds asd key2', // invalid 'asds key3:sdsd asdsad key1:', // invalid 'asds asds asd key1:asdsd key2: assadas asfsaf', 'asdsd aaa:bbb asds', // invalid 'sds asdsad asdsd :asdsd', // invalid ]; foreach ($strings as $string) { var_export([ $string, preg_match( '/^(?: ?(?:\b(?:key1|key2)(?:: *\S+|(*SKIP)(*FAIL))|[^: ]+))*$/', $string, $m ) ? $m : 'invalid' ]); echo "\n---\n"; }

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)
8.5.00.0060.00522.90
8.4.150.0020.00014.05
8.4.140.0130.00817.93
8.4.130.0030.00818.13
8.4.120.0100.00822.52
8.4.110.0130.00722.51
8.4.100.0140.00717.97
8.4.90.0080.00918.84
8.4.80.0060.00319.82
8.4.70.0070.00320.06
8.4.60.0140.00720.54
8.4.50.0110.00918.62
8.4.40.0050.00320.04
8.4.30.0150.00620.51
8.4.20.0070.01418.00
8.4.10.0160.00321.87
8.3.280.0160.00418.49
8.3.270.0120.00916.64
8.3.260.0060.01416.79
8.3.250.0100.00918.83
8.3.240.0090.00816.70
8.3.230.0130.00816.41
8.3.220.0090.01016.97
8.3.210.0060.00218.65
8.3.200.0030.00516.80
8.3.190.0110.00417.28
8.3.180.0090.00716.76
8.3.170.0130.00616.98
8.3.160.0130.00618.48
8.3.150.0090.01218.68
8.3.140.0030.00618.90
8.3.130.0030.00518.35
8.3.120.0060.00318.93
8.3.110.0030.00620.94
8.3.100.0000.01016.80
8.3.90.0110.00426.77
8.3.80.0060.00318.68
8.3.70.0120.00616.75
8.3.60.0100.01016.75
8.3.50.0070.00720.06
8.3.40.0040.01121.90
8.3.30.0040.01119.00
8.3.20.0000.00824.18
8.3.10.0060.00324.66
8.3.00.0050.00326.16
8.2.290.0090.00922.48
8.2.280.0130.00718.65
8.2.270.0090.00917.09
8.2.260.0030.00719.02
8.2.250.0100.01016.69
8.2.240.0030.00618.86
8.2.230.0030.00722.58
8.2.220.0060.00324.06
8.2.210.0040.00426.77
8.2.200.0050.00517.00
8.2.190.0160.00016.75
8.2.180.0160.00625.92
8.2.170.0040.01119.11
8.2.160.0070.00722.96
8.2.150.0000.00725.66
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0050.00321.05
8.2.110.0030.00622.27
8.2.100.0070.00717.97
8.2.90.0000.00817.84
8.2.80.0040.00419.02
8.2.70.0030.00617.75
8.2.60.0080.00017.92
8.2.50.0040.00417.98
8.2.40.0000.00818.16
8.2.30.0000.00718.09
8.2.20.0000.01020.50
8.2.10.0000.00718.07
8.2.00.0000.00719.29
8.1.330.0070.01223.81
8.1.320.0060.00316.61
8.1.310.0100.00718.45
8.1.300.0100.01018.16
8.1.290.0060.00330.84
8.1.280.0110.00725.92
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00323.88
8.1.230.0120.00017.70
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0060.00317.36
8.1.190.0030.00617.35
8.1.180.0040.00418.10
8.1.170.0080.00017.62
8.1.160.0000.00818.91
8.1.150.0050.00218.71
8.1.140.0080.00017.61
8.1.130.0000.00718.93
8.1.120.0000.00717.52
8.1.110.0060.00317.65
8.1.100.0020.00517.67
8.1.90.0030.00617.68
8.1.80.0040.00817.63
8.1.70.0070.00717.65
8.1.60.0170.00017.78
8.1.50.0160.00017.70
8.1.40.0120.00417.68
8.1.30.0170.00017.84
8.1.20.0170.00017.80
8.1.10.0110.00617.66
8.1.00.0130.00417.65
8.0.300.0040.00420.35
8.0.290.0080.00017.00
8.0.280.0050.00218.52
8.0.270.0080.00016.91
8.0.260.0070.00018.41
8.0.250.0000.00717.11
8.0.240.0000.00717.13
8.0.230.0030.00317.11
8.0.220.0000.00717.02
8.0.210.0090.00417.02
8.0.200.0110.00316.95
8.0.190.0000.01317.04
8.0.180.0090.00517.00
8.0.170.0040.00917.05
8.0.160.0070.00716.89
8.0.150.0000.01416.94
8.0.140.0110.00316.98
8.0.130.0000.00717.09
8.0.120.0110.00317.11
8.0.110.0110.00217.01
8.0.100.0110.00317.07
8.0.90.0140.00017.05
8.0.80.0100.00316.88
8.0.70.0090.00516.92
8.0.60.0130.00317.09
8.0.50.0080.00816.91
8.0.30.0060.00316.97
8.0.20.0070.00316.93
8.0.10.0080.00017.10
7.4.330.0000.00615.55
7.4.320.0060.00016.84
7.4.300.0040.00416.63
7.4.290.0120.00216.82
7.4.280.0120.00516.80
7.4.270.0110.00616.71
7.4.260.0130.00316.72
7.4.250.0120.00316.80
7.4.240.0110.00416.82
7.4.230.0140.00016.64
7.4.220.0090.00616.69
7.4.210.0130.00016.59
7.4.200.0130.00016.81
7.4.190.0110.00316.67
7.4.180.0090.00516.79
7.4.160.0050.00916.70
7.4.150.0100.00316.80
7.4.140.0090.00416.80
7.4.130.0140.00016.80
7.4.120.0000.01316.68
7.4.110.0070.00716.74
7.4.100.0080.00516.75
7.4.90.0100.00316.67
7.4.80.0080.00516.85
7.4.70.0140.00016.66
7.4.60.0100.00316.80
7.4.50.0110.00316.70
7.4.40.0100.00316.52
7.4.30.0070.00716.82
7.4.20.0110.00216.67
7.4.10.0060.00616.70
7.4.00.0100.00316.75

preferences:
119.32 ms | 403 KiB | 5 Q