3v4l.org

run code in 300+ PHP versions simultaneously
<? echo "-"; if(preg_match('[0-9a-zA-Z]', 'bob')) { echo preg_match('[0-9a-zA-Z]', 'bob'); } echo "-"; if(preg_match('~[0-9a-zA-Z]~', 'bob')) { echo preg_match('[0-9a-zA-Z]', 'bob'); } echo "-"; if(preg_match('~[0-9a-zA-Z]+~', 'bob')) { echo preg_match('[0-9a-zA-Z]', 'bob'); } echo "-"; ?>

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)
8.3.60.0120.00318.08
8.3.50.0140.00721.21
8.3.40.0110.00418.68
8.3.30.0140.00018.94
8.3.20.0050.00220.29
8.3.10.0000.00823.70
8.3.00.0040.00419.00
8.2.180.0070.00716.50
8.2.170.0100.00722.96
8.2.160.0130.00720.52
8.2.150.0030.00624.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0000.00722.28
8.2.110.0080.00022.32
8.2.100.0060.00617.91
8.2.90.0040.00418.98
8.2.80.0080.00017.97
8.2.70.0090.00017.38
8.2.60.0050.00317.91
8.2.50.0000.00818.07
8.2.40.0030.00519.66
8.2.30.0030.00517.80
8.2.20.0040.00417.56
8.2.10.0050.00317.99
8.2.00.0000.00817.60
8.1.280.0070.01025.92
8.1.270.0060.00323.85
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0090.00023.98
8.1.230.0070.00419.16
8.1.220.0080.00017.74
8.1.210.0090.00018.77
8.1.200.0060.00317.11
8.1.190.0040.00417.10
8.1.180.0040.00418.10
8.1.170.0040.00718.30
8.1.160.0000.00721.93
8.1.150.0080.00018.63
8.1.140.0040.00417.28
8.1.130.0000.00717.80
8.1.120.0000.00717.40
8.1.110.0040.00417.32
8.1.100.0030.00517.28
8.1.90.0080.00017.23
8.1.80.0040.00417.38
8.1.70.0030.00317.29
8.1.60.0080.00017.47
8.1.50.0000.00717.42
8.1.40.0000.00817.34
8.1.30.0000.00817.49
8.1.20.0060.00317.56
8.1.10.0040.00417.33
8.1.00.0000.00817.38
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0070.00018.25
8.0.270.0030.00317.18
8.0.260.0030.00317.08
8.0.250.0070.00016.82
8.0.240.0030.00316.79
8.0.230.0070.00316.80
8.0.220.0030.00316.73
8.0.210.0030.00316.77
8.0.200.0070.00016.86
8.0.190.0000.00716.71
8.0.180.0000.00716.77
8.0.170.0000.00816.71
8.0.160.0070.00016.76
8.0.150.0000.00816.59
8.0.140.0000.00716.75
8.0.130.0000.00613.35
8.0.120.0070.00016.74
8.0.110.0040.00416.79
8.0.100.0040.00416.61
8.0.90.0030.00516.54
8.0.80.0090.00916.73
8.0.70.0080.00016.61
8.0.60.0070.00016.59
8.0.50.0040.00416.80
8.0.30.0060.01417.01
8.0.20.0100.01417.40
8.0.10.0000.00816.95
8.0.00.0150.00216.57
7.4.330.0060.00015.02
7.4.320.0030.00316.42
7.4.300.0060.00016.29
7.4.290.0030.00316.41
7.4.280.0020.00516.36
7.4.270.0030.00316.46
7.4.260.0030.00516.38
7.4.250.0050.00316.34
7.4.240.0050.00216.50
7.4.230.0000.00716.48
7.4.220.0090.00916.33
7.4.210.0080.00816.36
7.4.200.0070.00016.45
7.4.160.0040.01116.23
7.4.150.0090.00917.40
7.4.140.0110.00717.86
7.4.130.0070.01216.50
7.4.120.0030.01316.35
7.4.110.0150.00616.32
7.4.100.0070.01016.37
7.4.90.0120.00916.23
7.4.80.0040.01819.39
7.4.70.0060.01016.40
7.4.60.0060.01116.45
7.4.50.0040.00416.17
7.4.40.0090.00616.42
7.4.30.0100.00616.38
7.4.00.0090.00315.04
7.3.330.0000.00513.12
7.3.320.0050.00013.03
7.3.310.0070.00015.95
7.3.300.0000.00716.14
7.3.290.0040.01016.07
7.3.280.0080.00916.16
7.3.270.0160.00317.40
7.3.260.0030.01416.11
7.3.250.0030.01416.31
7.3.240.0140.00316.43
7.3.230.0120.00316.48
7.3.210.0040.01116.29
7.3.200.0160.00019.39
7.3.190.0110.00716.13
7.3.180.0090.00916.46
7.3.170.0130.00616.33
7.3.160.0090.00916.38
7.3.10.0000.00916.68
7.3.00.0080.00416.63
7.2.330.0100.00716.28
7.2.320.0110.00616.32
7.2.310.0150.00316.50
7.2.300.0080.00916.30
7.2.290.0060.01616.54
7.2.130.0080.00316.83
7.2.120.0070.00717.23
7.2.110.0080.00416.84
7.2.100.0040.00716.87
7.2.90.0060.00617.05
7.2.80.0060.00317.01
7.2.70.0100.00016.94
7.2.60.0030.01016.88
7.2.50.0060.00917.02
7.2.40.0000.01316.98
7.2.30.0060.00317.03
7.2.20.0080.00316.74
7.2.10.0070.01116.95
7.2.00.0110.00518.08
7.1.250.0040.00415.73
7.1.200.0040.00415.99
7.1.100.0000.01318.35
7.1.70.0030.00617.11
7.1.60.0100.01319.11
7.1.50.0140.01017.07
7.1.00.0070.07722.32
7.0.200.0000.00816.80
7.0.140.0070.07021.97
7.0.60.0100.08019.93
7.0.50.0100.04017.83
7.0.40.0070.06720.24
7.0.30.0130.04720.11
7.0.20.0300.07720.11
7.0.10.0070.09320.02
7.0.00.0030.09020.19
5.6.280.0030.07720.89
5.6.210.0030.09020.72
5.6.200.0100.05018.09
5.6.190.0000.04720.61
5.6.180.0330.06320.77
5.6.170.0370.06720.46
5.6.160.0070.09320.46
5.6.150.0070.03718.19
5.6.140.0100.04018.21
5.6.130.0170.08018.20
5.6.120.0030.04320.98
5.6.110.0130.08021.14
5.6.100.0030.09020.95
5.6.90.0070.05321.09
5.6.80.0130.03320.37
5.6.70.4770.03720.42
5.5.350.0100.07720.39
5.5.340.0030.07717.91
5.5.330.0170.07320.12
5.5.320.0130.07720.24
5.5.310.0470.06320.50
5.5.300.0000.04718.01
5.5.290.0030.04718.02
5.5.280.0030.04320.97
5.5.270.0030.08320.67
5.5.260.0070.03720.67
5.5.250.0230.05320.69
5.5.240.0330.06320.22
5.4.450.0100.06019.34
5.4.440.0900.05319.60
5.4.430.0700.06019.52
5.4.420.0630.00019.35
5.4.410.0630.00019.22
5.4.400.0630.00019.00
5.4.390.0700.00019.07
5.4.380.0700.00019.13
5.4.370.0630.00018.95
5.4.360.0670.00019.09
5.4.350.0670.00019.00
5.4.340.0040.03711.97
5.4.320.0050.03712.45
5.4.310.0030.04112.45
5.4.300.0030.03912.45
5.4.290.0060.03812.45
5.4.280.0050.03812.35
5.4.270.0060.03612.34
5.4.260.0080.04112.35
5.4.250.0040.04212.34
5.4.240.0030.04512.34
5.4.230.0070.04012.34
5.4.220.0070.03512.34
5.4.210.0070.03912.34
5.4.200.0050.04112.34
5.4.190.0060.03812.33
5.4.180.0040.03712.34
5.4.170.0050.03712.34
5.4.160.0090.03912.34
5.4.150.0070.03712.34
5.4.140.0080.03712.02
5.4.130.0040.03812.01
5.4.120.0040.03611.97
5.4.110.0070.03911.96
5.4.100.0080.04311.96
5.4.90.0050.03711.96
5.4.80.0060.03711.96
5.4.70.0070.03411.96
5.4.60.0050.03611.96
5.4.50.0060.03511.96
5.4.40.0030.03811.95
5.4.30.0060.03711.95
5.4.20.0040.03711.95
5.4.10.0040.04411.95
5.4.00.0050.03911.43
5.3.290.0070.03812.80
5.3.280.0050.03912.71
5.3.270.0060.04012.73
5.3.260.0040.04112.72
5.3.250.0070.03712.72
5.3.240.0070.04312.72
5.3.230.0070.04012.71
5.3.220.0080.03912.68
5.3.210.0080.04012.68
5.3.200.0050.04212.68
5.3.190.0080.03912.68
5.3.180.0050.04312.68
5.3.170.0060.03712.67
5.3.160.0050.04312.67
5.3.150.0040.04212.67
5.3.140.0040.03812.66
5.3.130.0080.04512.66
5.3.120.0050.04212.66
5.3.110.0070.03812.66
5.3.100.0110.04012.12
5.3.90.0080.03512.08
5.3.80.0090.03412.07
5.3.70.0080.04212.07
5.3.60.0040.04012.06
5.3.50.0060.03512.00
5.3.40.0070.03812.00
5.3.30.0050.03711.94
5.3.20.0060.04011.72
5.3.10.0030.04211.69
5.3.00.0080.03911.67
5.2.170.0050.0339.17
5.2.160.0050.0359.18
5.2.150.0040.0319.18
5.2.140.0050.0309.17
5.2.130.0050.0329.13
5.2.120.0030.0309.13
5.2.110.0030.0329.14
5.2.100.0050.0299.14
5.2.90.0030.0399.13
5.2.80.0060.0329.13
5.2.70.0080.0289.13
5.2.60.0050.0369.09
5.2.50.0070.0349.05
5.2.40.0040.0319.02
5.2.30.0060.0309.01
5.2.20.0090.0408.99
5.2.10.0040.0368.92
5.2.00.0070.0268.78
5.1.60.0040.0308.05
5.1.50.0070.0238.05
5.1.40.0050.0308.04
5.1.30.0050.0298.39
5.1.20.0030.0338.41
5.1.10.0040.0288.13
5.1.00.0050.0288.13
5.0.50.0060.0226.61
5.0.40.0040.0206.47
5.0.30.0020.0356.29
5.0.20.0050.0216.26
5.0.10.0050.0196.23
5.0.00.0040.0336.22
4.4.90.0040.0184.78
4.4.80.0030.0234.76
4.4.70.0060.0174.75
4.4.60.0020.0204.75
4.4.50.0030.0184.77
4.4.40.0040.0294.71
4.4.30.0000.0194.76
4.4.20.0050.0194.85
4.4.10.0040.0144.85
4.4.00.0040.0284.76
4.3.110.0030.0174.67
4.3.100.0020.0164.66
4.3.90.0040.0134.64
4.3.80.0020.0254.59
4.3.70.0020.0154.63
4.3.60.0020.0154.63
4.3.50.0020.0164.63
4.3.40.0040.0254.54
4.3.30.0010.0163.28
4.3.20.0020.0233.25
4.3.10.0010.0203.21
4.3.00.0030.0237.28

preferences:
33.69 ms | 401 KiB | 5 Q