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)
8.5.00.0110.00922.96
8.4.150.0020.00014.05
8.4.140.0140.00717.62
8.4.130.0120.00918.05
8.4.120.0030.00620.75
8.4.110.0130.00818.90
8.4.100.0110.00918.20
8.4.90.0120.01118.13
8.4.80.0090.00417.95
8.4.70.0120.00819.76
8.4.60.0100.01120.36
8.4.50.0110.01018.85
8.4.40.0100.01019.90
8.4.30.0110.00720.48
8.4.20.0070.01417.84
8.4.10.0130.00321.96
8.3.280.0020.00114.05
8.3.270.0100.01016.66
8.3.260.0120.00716.76
8.3.250.0100.00819.03
8.3.240.0090.00616.81
8.3.230.0120.00716.87
8.3.220.0050.00416.97
8.3.210.0080.00616.92
8.3.200.0110.00916.66
8.3.190.0100.00818.86
8.3.180.0160.00417.23
8.3.170.0160.00020.84
8.3.160.0090.00918.58
8.3.150.0180.00016.98
8.3.140.0120.00316.97
8.3.130.0060.00318.63
8.3.120.0030.00618.82
8.3.110.0030.00718.68
8.3.100.0140.00324.06
8.3.90.0090.00026.77
8.3.80.0050.00518.43
8.3.70.0110.00416.75
8.3.60.0130.00917.00
8.3.50.0070.01420.29
8.3.40.0100.00321.78
8.3.30.0090.00618.88
8.3.20.0040.00424.18
8.3.10.0040.00424.66
8.3.00.0080.00026.16
8.2.290.0120.00718.93
8.2.280.0120.00718.46
8.2.270.0100.00017.20
8.2.260.0040.00417.06
8.2.250.0140.00717.15
8.2.240.0090.00016.96
8.2.230.0120.00320.94
8.2.220.0080.00337.54
8.2.210.0040.01126.77
8.2.200.0030.00616.88
8.2.190.0100.01016.75
8.2.180.0150.00025.92
8.2.170.0060.01219.22
8.2.160.0140.00022.96
8.2.150.0040.01125.66
8.2.140.0000.00824.66
8.2.130.0080.00026.16
8.2.120.0070.00026.16
8.2.110.0030.00622.20
8.2.100.0040.00817.91
8.2.90.0040.00417.97
8.2.80.0000.01017.97
8.2.70.0030.00517.88
8.2.60.0040.00417.80
8.2.50.0040.00418.05
8.2.40.0080.00020.00
8.2.30.0080.00018.09
8.2.20.0050.00320.54
8.2.10.0030.00518.21
8.2.00.0040.00419.17
8.1.330.0130.00616.71
8.1.320.0070.01216.38
8.1.310.0060.00316.17
8.1.300.0150.00020.34
8.1.290.0030.00630.84
8.1.280.0100.00725.92
8.1.270.0060.00323.99
8.1.260.0050.00326.35
8.1.250.0000.00828.09
8.1.240.0030.00622.50
8.1.230.0040.00722.75
8.1.220.0040.00417.74
8.1.210.0000.00818.96
8.1.200.0070.00317.35
8.1.190.0000.00817.36
8.1.180.0040.00418.10
8.1.170.0080.00017.62
8.1.160.0000.00718.94
8.1.150.0000.00718.84
8.1.140.0070.00017.62
8.1.130.0040.00419.02
8.1.120.0000.00717.67
8.1.110.0040.00417.55
8.1.100.0050.00317.51
8.1.90.0000.00817.59
8.1.80.0120.00617.58
8.1.70.0080.00817.62
8.1.60.0080.01117.56
8.1.50.0160.00417.59
8.1.40.0170.00317.64
8.1.30.0110.00717.77
8.1.20.0180.00017.79
8.1.10.0190.00017.69
8.1.00.0130.00517.58
8.0.300.0040.00420.16
8.0.290.0000.00716.88
8.0.280.0070.00018.48
8.0.270.0040.00416.94
8.0.260.0000.00618.51
8.0.250.0030.00317.06
8.0.240.0070.00017.10
8.0.230.0000.00817.09
8.0.220.0030.00517.07
8.0.210.0090.00617.00
8.0.200.0120.00417.08
8.0.190.0110.00417.05
8.0.180.0090.00617.07
8.0.170.0130.00317.02
8.0.160.0110.00516.97
8.0.150.0050.01116.99
8.0.140.0090.00617.05
8.0.130.0120.00417.07
8.0.120.0090.00617.03
8.0.110.0070.00717.05
8.0.100.0150.00017.07
8.0.90.0150.00016.94
8.0.80.0100.00516.91
8.0.70.0150.00017.02
8.0.60.0120.00216.93
8.0.50.0110.00417.02
8.0.30.0160.00016.95
8.0.20.0100.00716.98
8.0.10.0110.00517.07
7.4.330.0030.00315.55
7.4.320.0100.00016.63
7.4.300.0100.00716.58
7.4.290.0100.00716.73
7.4.280.0140.00416.80
7.4.270.0160.00416.63
7.4.260.0130.00416.78
7.4.250.0190.00016.81
7.4.240.0120.00616.85
7.4.230.0140.00516.71
7.4.220.0090.00616.73
7.4.210.0070.00716.75
7.4.200.0110.00516.70
7.4.190.0100.00416.77
7.4.180.0060.00916.82
7.4.160.0150.00016.67
7.4.150.0150.00016.87
7.4.140.0090.00616.71
7.4.130.0160.00016.64
7.4.120.0130.00316.79
7.4.110.0100.00516.64
7.4.100.0070.00716.84
7.4.90.0120.00316.82
7.4.80.0130.00316.82
7.4.70.0160.00016.81
7.4.60.0150.00016.75
7.4.50.0050.01016.58
7.4.40.0080.00716.57
7.4.30.0140.00516.57
7.4.20.0120.00316.64
7.4.10.0090.00616.68
7.4.00.0110.00416.68

preferences:
129.55 ms | 403 KiB | 5 Q