3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = '$name = "foo"; My name is foo'; $r = preg_replace('/foo(?=")/', 'VARIABLE', $s); var_dump($r);

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)
8.3.60.0070.01116.50
8.3.50.0140.01022.92
8.3.40.0140.00418.92
8.3.30.0100.00319.06
8.3.20.0040.00420.24
8.3.10.0070.00023.59
8.3.00.0060.00317.63
8.2.180.0070.00716.38
8.2.170.0040.01122.96
8.2.160.0100.00320.39
8.2.150.0050.00224.18
8.2.140.0090.00024.66
8.2.130.0040.00426.16
8.2.120.0070.00021.07
8.2.110.0060.00322.25
8.2.100.0060.00617.97
8.2.90.0050.00319.07
8.2.80.0030.00517.97
8.2.70.0040.00417.63
8.2.60.0030.00617.68
8.2.50.0000.00818.07
8.2.40.0060.00317.92
8.2.30.0040.00418.07
8.2.20.0040.00417.63
8.2.10.0000.00718.01
8.2.00.0040.00417.82
8.1.280.0080.00625.92
8.1.270.0080.00023.73
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0090.00023.84
8.1.230.0030.00719.16
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0040.00417.23
8.1.190.0050.00317.38
8.1.180.0040.00418.10
8.1.170.0030.00718.49
8.1.160.0000.00721.89
8.1.150.0060.00318.76
8.1.140.0030.00717.41
8.1.130.0030.00317.72
8.1.120.0040.00417.48
8.1.110.0070.00017.44
8.1.100.0000.00817.58
8.1.90.0000.00717.53
8.1.80.0000.00817.55
8.1.70.0030.00317.40
8.1.60.0040.00417.65
8.1.50.0040.00417.54
8.1.40.0000.00817.53
8.1.30.0040.00417.68
8.1.20.0070.00017.61
8.1.10.0080.00017.49
8.1.00.0060.00617.47
8.0.300.0040.00418.77
8.0.290.0070.00016.88
8.0.280.0000.00718.29
8.0.270.0070.00017.22
8.0.260.0030.00317.28
8.0.250.0030.00317.09
8.0.240.0030.00517.10
8.0.230.0050.00216.94
8.0.220.0030.00317.01
8.0.210.0000.00717.02
8.0.200.0030.00317.01
8.0.190.0000.00816.99
8.0.180.0000.00717.02
8.0.170.0000.00716.93
8.0.160.0060.00316.89
8.0.150.0000.00716.97
8.0.140.0070.00016.82
8.0.130.0000.00513.48
8.0.120.0000.00716.95
8.0.110.0040.00416.86
8.0.100.0000.00716.96
8.0.90.0040.00416.96
8.0.80.0120.00817.00
8.0.70.0000.00816.90
8.0.60.0050.00216.91
8.0.50.0070.00017.07
8.0.30.0130.00617.16
8.0.20.0080.01117.40
8.0.10.0080.00017.02
8.0.00.0080.00916.79
7.4.330.0030.00315.00
7.4.320.0030.00316.60
7.4.300.0090.00016.65
7.4.290.0070.00016.70
7.4.280.0000.00716.56
7.4.270.0000.00716.70
7.4.260.0000.00716.62
7.4.250.0040.00416.58
7.4.240.0040.00416.73
7.4.230.0000.00716.49
7.4.220.0060.01216.66
7.4.210.0080.00816.55
7.4.200.0000.00716.85
7.4.160.0040.01216.89
7.4.150.0120.00817.40
7.4.140.0070.01017.86
7.4.130.0070.01016.70
7.4.120.0100.00916.64
7.4.110.0090.00916.47
7.4.100.0130.00316.40
7.4.90.0100.01016.66
7.4.80.0100.01019.39
7.4.70.0070.01116.50
7.4.60.0030.01416.75
7.4.50.0000.00916.71
7.4.40.0140.00416.51
7.4.30.0080.00816.76
7.4.00.0070.01115.16
7.3.330.0030.00313.19
7.3.320.0030.00313.00
7.3.310.0030.00316.37
7.3.300.0000.00716.30
7.3.290.0100.00616.34
7.3.280.0090.00816.28
7.3.270.0100.00717.40
7.3.260.0120.00616.72
7.3.250.0150.00716.51
7.3.240.0150.00916.34
7.3.230.0100.01116.55
7.3.210.0040.01616.23
7.3.200.0170.00619.39
7.3.190.0100.00616.54
7.3.180.0090.00616.26
7.3.170.0080.00816.38
7.3.160.0100.00716.35
7.3.10.0030.00916.71
7.3.00.0040.00416.85
7.2.330.0090.00916.66
7.2.320.0120.01216.63
7.2.310.0090.01416.76
7.2.300.0100.01016.46
7.2.290.0030.01416.61
7.2.130.0040.01117.05
7.2.120.0000.01416.95
7.2.110.0060.00816.80
7.2.100.0030.00716.93
7.2.90.0100.00316.66
7.2.80.0100.00316.95
7.2.70.0080.00317.00
7.2.60.0050.00516.98
7.2.50.0070.00717.03
7.2.40.0080.00316.93
7.2.30.0040.01216.98
7.2.20.0040.01116.90
7.2.10.0000.01616.91
7.2.00.0050.00518.11
7.1.250.0040.00715.58
7.1.200.0040.01115.79
7.1.100.0040.00818.03
7.1.70.0000.00717.34
7.1.60.0070.01719.40
7.1.50.0110.01117.15
7.1.00.0030.07322.49
7.0.200.0000.00716.84
7.0.140.0030.07322.00
7.0.60.0070.04020.04
7.0.50.0100.05017.84
7.0.40.0130.05020.33
7.0.30.0330.04320.20
7.0.20.0230.07720.18
7.0.10.0100.08020.05
7.0.00.0200.07720.19
5.6.280.0000.07720.92
5.6.210.0070.08020.52
5.6.200.0130.04318.14
5.6.190.0070.05320.67
5.6.180.0330.07720.35
5.6.170.0300.05320.50
5.6.160.0030.05720.41
5.6.150.0070.05318.18
5.6.140.0070.05718.11
5.6.130.0070.08018.18
5.6.120.0170.05321.11
5.6.110.0030.09021.12
5.6.100.0100.07721.04
5.6.90.0130.08021.01
5.6.80.0100.08320.35
5.5.350.0070.06020.32
5.5.340.0030.07718.02
5.5.330.0030.04320.25
5.5.320.0230.04320.50
5.5.310.0300.06320.29
5.5.300.0100.05717.91
5.5.290.0200.06717.98
5.5.280.0130.03020.64
5.5.270.0030.07320.64
5.5.260.0030.08720.73
5.5.250.0100.06020.57
5.5.240.4270.03720.18
5.4.450.0370.04319.21
5.4.440.0400.03719.46
5.4.430.0930.03019.44
5.4.420.1100.03019.41
5.4.410.0830.03319.28
5.4.400.0670.04018.93
5.4.390.0970.03318.77
5.4.380.0100.06318.68
5.4.370.0230.04018.68
5.4.360.0330.04718.55
5.4.350.0100.06018.59
5.4.340.0170.05018.46
5.4.320.0080.03812.45
5.4.310.0080.04012.45
5.4.300.0050.04012.45
5.4.290.0080.03512.45
5.4.280.0080.04012.35
5.4.270.0100.04112.35
5.4.260.0070.04312.34
5.4.250.0130.03912.35
5.4.240.0070.03412.35
5.4.230.0070.03612.34
5.4.220.0070.03512.34
5.4.210.0060.03512.34
5.4.200.0050.03812.34
5.4.190.0070.03412.33
5.4.180.0070.03412.34
5.4.170.0050.03712.34
5.4.160.0050.04012.34
5.4.150.0040.04012.34
5.4.140.0060.03712.02
5.4.130.0070.03912.01
5.4.120.0050.04011.97
5.4.110.0080.05511.96
5.4.100.0060.04011.96
5.4.90.0080.03411.96
5.4.80.0070.03611.96
5.4.70.0070.03311.96
5.4.60.0090.03611.96
5.4.50.0040.03811.96
5.4.40.0110.03711.95
5.4.30.0060.03411.95
5.4.20.0080.04011.94
5.4.10.0060.04411.95
5.4.00.0030.04411.43
5.3.290.0050.04712.80
5.3.280.0100.04412.71
5.3.270.0080.03612.72
5.3.260.0080.03612.71
5.3.250.0070.03512.71
5.3.240.0110.03912.72
5.3.230.0070.03512.71
5.3.220.0070.03512.68
5.3.210.0090.04512.68
5.3.200.0040.04612.68
5.3.190.0040.03812.68
5.3.180.0070.03712.67
5.3.170.0050.03712.67
5.3.160.0060.03712.68
5.3.150.0070.03512.67
5.3.140.0060.03612.66
5.3.130.0040.04012.65
5.3.120.0070.03712.66
5.3.110.0060.03812.66
5.3.100.0070.04512.12
5.3.90.0040.03712.09
5.3.80.0030.03812.07
5.3.70.0060.03512.08
5.3.60.0070.03412.07
5.3.50.0070.03512.00
5.3.40.0060.03712.00
5.3.30.0030.03711.95
5.3.20.0060.03411.73
5.3.10.0090.04011.70
5.3.00.0040.04411.69
5.2.170.0040.0309.19
5.2.160.0040.0289.19
5.2.150.0060.0329.19
5.2.140.0060.0289.18
5.2.130.0040.0289.14
5.2.120.0050.0289.14
5.2.110.0070.0269.16
5.2.100.0030.0309.14
5.2.90.0040.0309.14
5.2.80.0090.0349.14
5.2.70.0020.0319.14
5.2.60.0070.0399.10
5.2.50.0080.0359.07
5.2.40.0050.0279.05
5.2.30.0080.0379.02
5.2.20.0060.0269.01
5.2.10.0050.0328.91
5.2.00.0030.0308.77
5.1.60.0040.0238.06
5.1.50.0050.0228.06
5.1.40.0040.0238.04
5.1.30.0080.0218.39
5.1.20.0060.0268.41
5.1.10.0050.0258.13
5.1.00.0020.0288.14
5.0.50.0040.0206.61
5.0.40.0030.0196.47
5.0.30.0030.0316.29
5.0.20.0020.0296.26
5.0.10.0050.0356.23
5.0.00.0050.0326.23
4.4.90.0020.0344.78
4.4.80.0060.0114.76
4.4.70.0020.0164.76
4.4.60.0030.0144.76
4.4.50.0010.0174.77
4.4.40.0040.0234.71
4.4.30.0010.0184.76
4.4.20.0010.0164.84
4.4.10.0050.0244.85
4.4.00.0030.0314.76
4.3.110.0040.0214.66
4.3.100.0040.0154.66
4.3.90.0050.0304.64
4.3.80.0030.0274.58
4.3.70.0010.0154.63
4.3.60.0020.0144.63
4.3.50.0040.0194.63
4.3.40.0030.0344.54
4.3.30.0000.0173.28
4.3.20.0020.0153.26
4.3.10.0010.0163.22
4.3.00.0030.01315.98

preferences:
45.74 ms | 401 KiB | 5 Q