3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match('[0-9a-zA-Z]', 'bob', $matches), $matches); echo '---------', PHP_EOL; var_dump(preg_match('~[0-9a-zA-Z]~', 'bob', $matches), $matches); echo '---------', PHP_EOL; var_dump(preg_match('~[0-9a-zA-Z]+~', 'bob', $matches), $matches); ?>

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)
8.3.60.0090.00618.43
8.3.50.0120.00721.08
8.3.40.0060.00918.96
8.3.30.0040.01219.04
8.3.20.0040.00420.34
8.3.10.0080.00023.61
8.3.00.0060.00319.36
8.2.180.0070.01016.50
8.2.170.0110.00422.96
8.2.160.0130.00720.46
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00422.18
8.2.110.0030.00620.25
8.2.100.0150.00317.91
8.2.90.0050.00318.95
8.2.80.0000.00917.97
8.2.70.0060.00317.63
8.2.60.0000.01117.91
8.2.50.0030.00518.07
8.2.40.0050.00318.09
8.2.30.0070.00018.02
8.2.20.0040.00417.71
8.2.10.0000.00717.86
8.2.00.0000.00817.69
8.1.280.0090.00925.92
8.1.270.0090.00023.87
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0030.00623.95
8.1.230.0070.00419.16
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0030.00617.22
8.1.190.0050.00317.23
8.1.180.0000.00818.10
8.1.170.0000.01118.69
8.1.160.0020.00521.98
8.1.150.0000.00818.79
8.1.140.0040.00417.43
8.1.130.0000.00817.89
8.1.120.0050.00317.39
8.1.110.0030.00617.51
8.1.100.0040.00417.47
8.1.90.0000.00717.48
8.1.80.0000.00817.40
8.1.70.0040.00417.37
8.1.60.0040.00417.64
8.1.50.0000.00817.58
8.1.40.0000.00817.57
8.1.30.0050.00317.66
8.1.20.0050.00217.63
8.1.10.0090.00017.62
8.1.00.0060.00317.52
8.0.300.0000.00818.77
8.0.290.0060.00316.75
8.0.280.0000.00718.48
8.0.270.0000.00717.22
8.0.260.0000.00617.26
8.0.250.0000.00716.89
8.0.240.0060.00016.84
8.0.230.0030.00816.98
8.0.220.0000.00716.93
8.0.210.0040.00416.93
8.0.200.0000.00716.92
8.0.190.0060.00216.93
8.0.180.0080.00016.92
8.0.170.0050.00216.99
8.0.160.0020.00516.89
8.0.150.0070.00016.75
8.0.140.0040.00416.75
8.0.130.0000.00713.30
8.0.120.0000.00816.80
8.0.110.0000.00716.94
8.0.100.0000.00816.81
8.0.90.0040.00416.82
8.0.80.0040.01416.98
8.0.70.0040.00416.98
8.0.60.0050.00216.87
8.0.50.0070.00017.02
8.0.30.0090.01317.18
8.0.20.0110.01217.40
8.0.10.0030.00517.00
8.0.00.0110.00816.60
7.4.330.0000.00615.02
7.4.320.0030.00316.50
7.4.300.0050.00216.58
7.4.290.0040.00416.69
7.4.280.0030.00516.59
7.4.270.0000.00816.68
7.4.260.0030.00316.61
7.4.250.0080.00016.65
7.4.240.0030.00516.65
7.4.230.0030.00316.48
7.4.220.0080.01316.73
7.4.210.0060.01016.72
7.4.200.0030.00316.58
7.4.160.0070.01016.48
7.4.150.0120.00617.40
7.4.140.0110.01017.86
7.4.130.0090.00816.62
7.4.120.0090.00816.67
7.4.110.0130.00916.52
7.4.100.0130.00916.51
7.4.90.0110.00716.50
7.4.80.0130.01019.39
7.4.70.0060.01316.55
7.4.60.0060.01616.77
7.4.50.0030.00716.61
7.4.40.0120.00316.50
7.4.30.0090.00916.64
7.4.00.0030.01415.11
7.3.330.0000.00713.20
7.3.320.0000.00513.22
7.3.310.0070.00016.23
7.3.300.0070.00016.13
7.3.290.0040.01216.34
7.3.280.0060.00916.31
7.3.270.0110.01417.40
7.3.260.0070.01116.39
7.3.250.0110.00616.56
7.3.240.0190.00316.55
7.3.230.0060.01016.50
7.3.210.0060.01016.55
7.3.200.0030.01419.39
7.3.190.0040.01816.41
7.3.180.0070.01016.50
7.3.170.0180.00416.39
7.3.160.0090.00716.36
7.3.120.0100.01014.81
7.3.110.0070.01014.66
7.3.100.0150.00314.67
7.3.90.0030.01015.00
7.3.80.0060.00615.20
7.3.70.0060.00614.77
7.3.60.0080.00814.78
7.3.50.0050.00514.98
7.3.40.0030.01014.96
7.3.30.0030.00714.69
7.3.20.0060.00616.72
7.3.10.0070.00416.82
7.3.00.0030.01516.69
7.2.330.0180.00416.65
7.2.320.0040.01316.45
7.2.310.0080.00816.61
7.2.300.0060.01016.48
7.2.290.0160.00416.65
7.2.250.0110.00814.70
7.2.240.0100.00714.97
7.2.230.0060.01215.01
7.2.220.0090.00315.01
7.2.210.0040.00814.77
7.2.200.0120.00014.96
7.2.190.0000.01214.98
7.2.180.0000.01015.19
7.2.170.0090.00315.15
7.2.60.0040.00817.06
7.2.00.0060.01319.46
7.1.330.0000.01515.63
7.1.320.0030.01015.95
7.1.310.0030.00915.80
7.1.300.0060.00815.72
7.1.290.0070.00715.98
7.1.280.0070.00715.91
7.1.270.0060.00615.89
7.1.260.0030.00915.54
7.1.200.0000.00916.04
7.1.100.0000.01018.28
7.1.70.0050.00317.27
7.1.60.0060.01519.11
7.1.50.0160.00717.23
7.1.00.0100.06722.38
7.0.200.0030.00616.93
7.0.140.0070.07021.95
7.0.60.0100.04020.01
7.0.50.0170.06017.90
7.0.40.0100.07320.14
7.0.30.0100.05320.16
7.0.20.0370.04320.24
7.0.10.0200.08020.20
7.0.00.0100.08020.31
5.6.280.0070.07020.82
5.6.210.0030.08720.62
5.6.200.0100.07718.26
5.6.190.0100.09720.62
5.6.180.0300.07320.41
5.6.170.0300.06720.62
5.6.160.0200.07720.71
5.6.150.0100.06018.16
5.6.140.0130.03718.18
5.6.130.0070.05318.18
5.6.120.0030.04320.98
5.6.110.0030.06321.13
5.6.100.0030.05020.98
5.6.90.0200.06321.09
5.6.80.0170.07320.47
5.6.70.4300.04020.40
5.5.350.0100.03320.42
5.5.340.0070.04717.99
5.5.330.0170.06020.40
5.5.320.0230.04720.21
5.5.310.0230.05320.41
5.5.300.0070.04717.95
5.5.290.0030.04017.95
5.5.280.0030.04720.87
5.5.270.0100.05720.76
5.5.260.0030.09320.95
5.5.250.0070.06020.61
5.5.240.0370.06720.12
5.4.450.0030.06719.46
5.4.440.0870.07319.60
5.4.430.0700.06019.10
5.4.420.0630.00019.53
5.4.410.0630.00019.34
5.4.400.0630.00019.18
5.4.390.0670.00019.09
5.4.380.0670.00019.16
5.4.370.0600.00018.96
5.4.360.0600.00019.15
5.4.350.0670.00018.96
5.4.340.0060.03411.97
5.4.320.0040.03912.46
5.4.310.0080.04012.45
5.4.300.0050.03712.46
5.4.290.0050.04212.45
5.4.280.0040.03712.35
5.4.270.0060.03612.35
5.4.260.0060.04012.35
5.4.250.0070.03512.35
5.4.240.0030.04212.35
5.4.230.0070.04012.34
5.4.220.0050.03812.34
5.4.210.0100.03312.34
5.4.200.0060.04212.34
5.4.190.0080.03412.34
5.4.180.0060.04112.34
5.4.170.0030.03912.35
5.4.160.0070.04112.35
5.4.150.0100.03112.34
5.4.140.0080.04212.03
5.4.130.0060.04012.01
5.4.120.0050.03711.97
5.4.110.0070.03411.97
5.4.100.0080.04011.96
5.4.90.0050.03711.97
5.4.80.0080.04011.97
5.4.70.0040.03711.96
5.4.60.0080.04011.96
5.4.50.0030.04011.97
5.4.40.0110.03711.95
5.4.30.0110.03111.95
5.4.20.0040.03711.95
5.4.10.0060.03511.95
5.4.00.0070.03411.44
5.3.290.0050.04112.80
5.3.280.0040.04612.70
5.3.270.0060.03912.73
5.3.260.0080.04112.72
5.3.250.0060.04012.72
5.3.240.0040.03912.72
5.3.230.0090.03812.71
5.3.220.0020.04112.68
5.3.210.0070.04112.68
5.3.200.0040.04012.68
5.3.190.0060.03912.67
5.3.180.0090.03512.68
5.3.170.0080.03612.67
5.3.160.0050.03912.67
5.3.150.0040.03912.67
5.3.140.0060.04312.66
5.3.130.0050.04112.66
5.3.120.0070.04412.66
5.3.110.0100.03712.66
5.3.100.0100.03312.12
5.3.90.0050.03812.08
5.3.80.0030.03912.07
5.3.70.0050.03812.07
5.3.60.0050.03712.07
5.3.50.0070.03812.00
5.3.40.0080.03412.00
5.3.30.0070.03211.96
5.3.20.0040.03711.73
5.3.10.0120.03711.70
5.3.00.0070.03611.69
5.2.170.0060.0369.19
5.2.160.0060.0339.19
5.2.150.0070.0389.19
5.2.140.0020.0349.18
5.2.130.0040.0349.14
5.2.120.0100.0299.14
5.2.110.0050.0309.15
5.2.100.0050.0299.15
5.2.90.0060.0289.15
5.2.80.0050.0319.14
5.2.70.0050.0319.15
5.2.60.0060.0369.10
5.2.50.0050.0329.07
5.2.40.0080.0289.05
5.2.30.0070.0319.03
5.2.20.0070.0269.01
5.2.10.0050.0308.92
5.2.00.0040.0338.78
5.1.60.0040.0248.06
5.1.50.0050.0288.06
5.1.40.0040.0268.04
5.1.30.0090.0328.39
5.1.20.0040.0278.41
5.1.10.0090.0258.13
5.1.00.0050.0248.14
5.0.50.0030.0206.61
5.0.40.0050.0186.48
5.0.30.0020.0326.29
5.0.20.0020.0216.26
5.0.10.0010.0216.23
5.0.00.0050.0356.23
4.4.90.0040.0154.77
4.4.80.0040.0184.75
4.4.70.0010.0214.75
4.4.60.0010.0184.76
4.4.50.0050.0194.77
4.4.40.0020.0274.71
4.4.30.0010.0214.76
4.4.20.0070.0204.84
4.4.10.0060.0174.85
4.4.00.0040.0244.76
4.3.110.0040.0154.67
4.3.100.0010.0184.66
4.3.90.0020.0164.63
4.3.80.0020.0264.59
4.3.70.0030.0144.63
4.3.60.0070.0154.62
4.3.50.0020.0164.63
4.3.40.0030.0304.54
4.3.30.0010.0203.28
4.3.20.0020.0203.26
4.3.10.0010.0213.22
4.3.00.0170.0207.28

preferences:
38.02 ms | 401 KiB | 5 Q