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run code in 300+ PHP versions simultaneously
<?php $compare = '\d'; $value = 12345; $pattern = preg_quote($compare); var_dump( (bool) preg_match('~'.$pattern.'~iu', $value) ); var_dump( (bool) preg_match('~\\'.$compare.'~iu', $value) ); var_dump( (bool) preg_match('~\\d~iu', $value) );

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)
8.3.60.0170.00318.58
8.3.50.0070.01118.02
8.3.40.0080.00618.93
8.3.30.0090.00618.94
8.3.20.0000.00819.02
8.3.10.0080.00021.86
8.3.00.0080.00019.16
8.2.180.0090.00618.78
8.2.170.0090.00922.96
8.2.160.0070.00720.27
8.2.150.0050.00325.66
8.2.140.0030.00524.66
8.2.130.0070.00022.25
8.2.120.0070.00026.35
8.2.110.0090.00019.21
8.2.100.0070.00419.23
8.2.90.0040.00420.14
8.2.80.0050.00317.97
8.2.70.0030.00517.93
8.2.60.0040.00418.03
8.2.50.0030.00618.10
8.2.40.0040.00420.47
8.2.30.0000.00719.25
8.2.20.0000.00718.07
8.2.10.0000.00718.08
8.2.00.0040.00417.89
8.1.280.0040.01125.92
8.1.270.0080.00023.88
8.1.260.0060.00328.09
8.1.250.0040.00428.09
8.1.240.0030.00720.77
8.1.230.0070.00419.10
8.1.220.0080.00017.79
8.1.210.0040.00418.96
8.1.200.0060.00317.38
8.1.190.0050.00317.54
8.1.180.0000.00818.10
8.1.170.0080.00020.79
8.1.160.0060.00318.89
8.1.150.0030.00320.24
8.1.140.0000.00819.66
8.1.130.0060.00317.91
8.1.120.0040.00717.67
8.1.110.0000.00717.53
8.1.100.0000.00817.56
8.1.90.0000.00717.53
8.1.80.0000.00717.53
8.1.70.0030.00617.61
8.1.60.0030.00617.76
8.1.50.0060.00317.65
8.1.40.0090.00017.64
8.1.30.0030.00517.70
8.1.20.0000.00817.71
8.1.10.0000.00817.63
8.1.00.0060.00317.58
8.0.300.0000.00721.77
8.0.290.0070.00017.00
8.0.280.0000.00718.48
8.0.270.0030.00317.18
8.0.260.0040.00417.29
8.0.250.0030.00517.04
8.0.240.0000.00717.03
8.0.230.0000.00717.20
8.0.220.0000.00717.14
8.0.210.0000.00717.11
8.0.200.0040.00417.16
8.0.190.0040.00417.13
8.0.180.0040.00417.11
8.0.170.0040.00417.15
8.0.160.0070.00017.01
8.0.150.0000.00716.98
8.0.140.0000.00817.09
8.0.130.0000.00913.48
8.0.120.0050.00317.13
8.0.110.0040.00417.18
8.0.100.0040.00417.15
8.0.90.0000.00816.99
8.0.80.0100.00717.12
8.0.70.0040.00417.05
8.0.60.0050.00317.07
8.0.50.0050.00217.20
8.0.30.0100.00817.23
8.0.20.0080.01017.40
8.0.10.0080.00317.17
8.0.00.0140.01016.95
7.4.330.0030.00315.55
7.4.320.0000.00616.82
7.4.300.0000.00616.87
7.4.290.0030.00616.77
7.4.280.0000.00816.75
7.4.270.0000.00816.79
7.4.260.0050.00316.77
7.4.250.0000.00716.74
7.4.240.0000.00716.75
7.4.230.0000.00816.85
7.4.220.0110.00716.84
7.4.210.0060.00916.91
7.4.200.0000.00716.71
7.4.160.0080.00816.76
7.4.150.0090.00917.40
7.4.140.0100.01017.86
7.4.130.0100.01116.76
7.4.120.0100.00816.81
7.4.110.0170.00016.86
7.4.100.0080.01316.84
7.4.90.0070.01016.84
7.4.80.0080.00919.39
7.4.70.0190.00316.86
7.4.60.0080.00816.69
7.4.50.0070.00717.04
7.4.40.0060.01016.93
7.4.30.0080.00816.79
7.4.00.0150.00315.30
7.3.330.0000.00713.30
7.3.320.0000.00513.34
7.3.310.0000.00716.24
7.3.300.0030.00316.37
7.3.290.0060.00916.47
7.3.280.0070.01216.48
7.3.270.0160.00017.40
7.3.260.0060.01316.53
7.3.250.0090.01016.54
7.3.240.0080.01216.64
7.3.230.0100.00716.61
7.3.210.0060.01616.47
7.3.200.0080.00916.58
7.3.190.0070.01116.49
7.3.180.0140.00316.54
7.3.170.0110.00516.50
7.3.160.0000.01716.60
7.3.10.0050.00316.97
7.3.00.0030.00916.69
7.2.330.0140.00416.79
7.2.320.0070.01116.72
7.2.310.0070.01116.49
7.2.300.0100.01416.82
7.2.290.0100.00716.96
7.2.130.0060.00917.11
7.2.120.0030.00616.98
7.2.110.0120.00417.07
7.2.100.0070.01017.16
7.2.90.0050.00517.23
7.2.80.0060.01016.91
7.2.70.0030.00917.16
7.2.60.0030.01016.88
7.2.50.0050.01017.03
7.2.40.0030.01317.26
7.2.30.0030.00616.90
7.2.20.0070.00716.96
7.2.10.0030.01016.95
7.2.00.0140.00017.21
7.1.250.0030.01315.94
7.1.200.0030.00915.99
7.1.70.0040.00417.15
7.1.60.0040.00817.42
7.1.00.0400.06720.45
7.0.200.0000.00816.85
7.0.130.0470.05320.20
7.0.120.0370.06720.25
7.0.110.0400.05320.14
7.0.100.0330.06020.29
7.0.90.0400.08020.18
7.0.80.0400.07020.26
7.0.70.0370.05320.14
7.0.60.0600.06720.29
7.0.50.1430.08020.32
7.0.40.0500.06720.33
7.0.30.0970.07020.34
7.0.20.0530.07320.30
7.0.10.0470.07020.13
7.0.00.0700.08020.16
5.6.280.0200.05020.93
5.6.270.0100.06020.93
5.6.260.0130.05320.93
5.6.250.0200.06721.05
5.6.240.0230.07320.84
5.6.230.0130.08321.06
5.6.220.0100.09020.96
5.6.210.0170.06021.02
5.6.200.0130.07321.02
5.6.190.0200.09021.02
5.6.180.0130.07020.93
5.6.170.0070.08720.96
5.6.160.0130.08020.87
5.6.150.0200.07320.91
5.6.140.0230.06021.04
5.6.130.0170.07020.88
5.6.120.0270.06720.86
5.6.110.0070.09021.01
5.6.100.0170.07020.84
5.6.90.0200.06321.00
5.6.80.0100.08020.24
5.6.70.0100.07720.39
5.6.60.0230.05320.42
5.6.50.0200.04720.41
5.6.40.0070.07720.09
5.6.30.0230.06320.43
5.6.20.0230.07020.08
5.6.10.0300.06320.25
5.6.00.0170.06020.06

preferences:
60.93 ms | 401 KiB | 5 Q