3v4l.org

run code in 300+ PHP versions simultaneously
<?php $comentario = '\\'; echo preg_match( '/\\\/', $comentario ); echo preg_match( '/\\\/m', $comentario,$assert ); var_dump($assert);

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)
8.3.40.0090.00918.92
8.3.30.0130.00319.00
8.3.20.0000.00720.20
8.3.10.0030.00620.60
8.3.00.0060.00319.50
8.2.170.0140.00322.96
8.2.160.0140.00320.27
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0050.00226.16
8.2.120.0050.00319.95
8.2.110.0040.00422.29
8.2.100.0110.00019.70
8.2.90.0000.00919.14
8.2.80.0000.00817.97
8.2.70.0040.00417.75
8.2.60.0040.00417.80
8.2.50.0080.00018.07
8.2.40.0000.00818.09
8.2.30.0070.00017.95
8.2.20.0040.00417.83
8.2.10.0070.00017.88
8.2.00.0040.00417.67
8.1.270.0040.00422.14
8.1.260.0040.00426.35
8.1.250.0090.00028.09
8.1.240.0040.00723.88
8.1.230.0090.00319.15
8.1.220.0030.00617.74
8.1.210.0030.00618.77
8.1.200.0060.00317.35
8.1.190.0060.00317.35
8.1.180.0000.00818.10
8.1.170.0000.00918.64
8.1.160.0070.00021.84
8.1.150.0070.00018.90
8.1.140.0080.00017.48
8.1.130.0070.00017.78
8.1.120.0040.00417.46
8.1.110.0000.00817.51
8.1.100.0070.00017.53
8.1.90.0040.00417.46
8.1.80.0030.00317.51
8.1.70.0050.00317.42
8.1.60.0030.00517.59
8.1.50.0040.00417.46
8.1.40.0030.00617.55
8.1.30.0060.00317.54
8.1.20.0040.00417.67
8.1.10.0040.00417.62
8.1.00.0000.00717.47
8.0.300.0000.00718.77
8.0.290.0040.00416.88
8.0.280.0000.00818.50
8.0.270.0030.00317.32
8.0.260.0000.00717.20
8.0.250.0000.00717.11
8.0.240.0000.00616.97
8.0.230.0000.00716.98
8.0.220.0030.00316.94
8.0.210.0030.00316.98
8.0.200.0030.00316.98
8.0.190.0040.00416.91
8.0.180.0040.00416.96
8.0.170.0060.00316.98
8.0.160.0040.00416.96
8.0.150.0000.00716.89
8.0.140.0000.00716.80
8.0.130.0000.00613.43
8.0.120.0080.00016.88
8.0.110.0040.00416.82
8.0.100.0000.00716.82
8.0.90.0000.00716.96
8.0.80.0150.00317.01
8.0.70.0040.00416.98
8.0.60.0040.00416.99
8.0.50.0020.00516.94
8.0.30.0090.01017.30
8.0.20.0130.01217.40
8.0.10.0040.00417.03
8.0.00.0070.01116.86
7.4.330.0000.00515.04
7.4.320.0030.00316.65
7.4.300.0070.00016.73
7.4.290.0000.00716.62
7.4.280.0040.00416.54
7.4.270.0030.00316.65
7.4.260.0040.00416.71
7.4.250.0000.00716.74
7.4.240.0040.00416.68
7.4.230.0000.00716.61
7.4.220.0070.01316.76
7.4.210.0130.00716.67
7.4.200.0030.00316.49
7.4.160.0150.00716.67
7.4.150.0100.01017.40
7.4.140.0120.00517.86
7.4.130.0160.00716.68
7.4.120.0090.01016.40
7.4.110.0090.00916.43
7.4.100.0100.00616.68
7.4.90.0090.00816.45
7.4.80.0090.00919.39
7.4.70.0070.01116.53
7.4.60.0100.00916.71
7.4.50.0060.00316.48
7.4.40.0060.00916.63
7.4.30.0070.00916.68
7.4.00.0060.00914.89
7.3.330.0030.00313.10
7.3.320.0050.00013.13
7.3.310.0040.00416.12
7.3.300.0000.00716.32
7.3.290.0050.00916.38
7.3.280.0110.00616.33
7.3.270.0130.01017.40
7.3.260.0070.01016.67
7.3.250.0100.00816.35
7.3.240.0090.00916.23
7.3.230.0000.01716.61
7.3.210.0100.00716.56
7.3.200.0110.00619.39
7.3.190.0070.01416.36
7.3.180.0060.00916.29
7.3.170.0170.00016.29
7.3.160.0080.00816.46
7.3.10.0100.00316.55
7.3.00.0030.00616.40
7.2.330.0120.00616.89
7.2.320.0170.00316.63
7.2.310.0070.01116.61
7.2.300.0120.00616.69
7.2.290.0060.01216.75
7.2.130.0070.00416.73
7.2.120.0000.01316.55
7.2.110.0100.00316.63
7.2.100.0050.00816.96
7.2.90.0100.00316.78
7.2.80.0030.00916.91
7.2.70.0110.00416.78
7.2.60.0050.00816.98
7.2.50.0030.01316.71
7.2.40.0000.01316.45
7.2.30.0080.00616.79
7.2.20.0040.00817.07
7.2.10.0060.00916.50
7.2.00.0050.00917.95
7.1.250.0000.01015.88
7.1.200.0060.00315.86
7.1.100.0060.00618.18
7.1.70.0080.00417.29
7.1.60.0090.01219.32
7.1.50.0070.01417.13
7.1.00.0030.07022.46
7.0.200.0250.00714.82
7.0.140.0000.07721.95
7.0.60.0170.06720.01
7.0.50.0070.03717.82
7.0.40.0030.04320.23
7.0.30.0200.04020.05
7.0.20.0270.08320.07
7.0.10.0070.05320.21
7.0.00.0030.04020.10
5.6.280.0070.07021.11
5.6.210.0070.04020.54
5.6.200.0070.06018.19
5.6.190.0000.06320.60
5.6.180.0300.04020.35
5.6.170.0430.05720.41
5.6.160.0100.06720.38
5.6.150.0170.07018.16
5.6.140.0030.07018.21
5.6.130.0030.08318.20
5.6.120.0100.07720.78
5.6.110.0130.08021.08
5.6.100.0030.04020.96
5.6.90.0030.04020.98
5.6.80.0170.07020.50
5.5.350.0200.06720.37
5.5.340.0100.08017.91
5.5.330.0030.07720.57
5.5.320.0370.07320.43
5.5.310.0170.05020.29
5.5.300.0100.07317.97
5.5.290.0000.04317.89
5.5.280.0100.05020.97
5.5.270.0100.08320.77
5.5.260.0130.08020.87
5.5.250.0030.08320.63
5.5.240.0270.07020.18
5.4.450.0170.03719.54
5.4.440.0370.02719.39
5.4.430.0500.03719.13
5.4.420.0730.00019.45
5.4.410.0600.00019.20
5.4.400.0630.00019.16
5.4.390.0600.00019.18
5.4.380.0670.00018.98
5.4.370.0630.00019.14
5.4.360.0630.00019.07
5.4.350.0670.00019.16
5.4.340.0870.00018.95
5.4.320.0080.03612.45
5.4.310.0040.04012.45
5.4.300.0040.03812.45
5.4.290.0050.03812.45
5.4.280.0060.03412.34
5.4.270.0050.03612.34
5.4.260.0060.03712.35
5.4.250.0090.03612.35
5.4.240.0060.03812.35
5.4.230.0090.03412.34
5.4.220.0050.03812.34
5.4.210.0070.03512.34
5.4.200.0060.03812.34
5.4.190.0050.03912.33
5.4.180.0030.03812.33
5.4.170.0070.03412.34
5.4.160.0060.03512.34
5.4.150.0070.03512.34
5.4.140.0040.03812.02
5.4.130.0060.03512.01
5.4.120.0040.03611.97
5.4.110.0020.03911.96
5.4.100.0040.03711.96
5.4.90.0070.03611.96
5.4.80.0050.03711.96
5.4.70.0020.04111.96
5.4.60.0080.03211.96
5.4.50.0060.03511.96
5.4.40.0100.03211.95
5.4.30.0080.03311.95
5.4.20.0050.03511.95
5.4.10.0030.03711.95
5.4.00.0080.03311.43
5.3.290.0080.03712.80
5.3.280.0060.03912.71
5.3.270.0060.03912.72
5.3.260.0130.03412.72
5.3.250.0070.03712.72
5.3.240.0100.03412.71
5.3.230.0060.03812.71
5.3.220.0110.03112.68
5.3.210.0090.03612.68
5.3.200.0090.03312.68
5.3.190.0110.03412.68
5.3.180.0080.03512.68
5.3.170.0070.03512.66
5.3.160.0060.03612.67
5.3.150.0060.03712.68
5.3.140.0080.03512.66
5.3.130.0050.03912.66
5.3.120.0050.03912.66
5.3.110.0050.03912.66
5.3.100.0060.03712.12
5.3.90.0040.03712.08
5.3.80.0100.03612.08
5.3.70.0070.03612.08
5.3.60.0110.03212.07
5.3.50.0050.03812.00
5.3.40.0050.03712.00
5.3.30.0070.03311.94
5.3.20.0090.03311.72
5.3.10.0050.03611.69
5.3.00.0070.03611.68
5.2.170.0040.0319.18
5.2.160.0050.0299.18
5.2.150.0040.0369.18
5.2.140.0070.0329.17
5.2.130.0060.0289.13
5.2.120.0030.0309.14
5.2.110.0060.0289.14
5.2.100.0060.0279.14
5.2.90.0030.0309.14
5.2.80.0030.0339.13
5.2.70.0060.0289.13
5.2.60.0050.0299.08
5.2.50.0040.0309.05
5.2.40.0040.0299.04
5.2.30.0030.0319.01
5.2.20.0090.0279.00
5.2.10.0110.0228.93
5.2.00.0070.0268.79
5.1.60.0030.0268.08
5.1.50.0050.0248.07
5.1.40.0040.0258.06
5.1.30.0060.0288.41
5.1.20.0070.0248.43
5.1.10.0020.0288.15
5.1.00.0030.0268.15
5.0.50.0040.0196.63
5.0.40.0020.0206.48
5.0.30.0040.0316.30
5.0.20.0010.0226.26
5.0.10.0020.0216.24
5.0.00.0030.0316.23
4.4.90.0010.0164.78
4.4.80.0030.0154.75
4.4.70.0010.0204.76
4.4.60.0040.0144.76
4.4.50.0050.0134.77
4.4.40.0030.0254.71
4.4.30.0030.0154.76
4.4.20.0020.0164.84
4.4.10.0020.0164.85
4.4.00.0030.0244.76
4.3.110.0050.0134.67
4.3.100.0040.0134.66
4.3.90.0010.0164.63
4.3.80.0030.0254.59
4.3.70.0030.0144.63
4.3.60.0040.0134.62
4.3.50.0020.0164.63
4.3.40.0020.0254.54
4.3.30.0010.0173.30
4.3.20.0020.0153.27
4.3.10.0020.0203.23
4.3.00.0030.02013.59

preferences:
47.48 ms | 400 KiB | 5 Q