3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo($arg){ $var = 'check:'.$arg; echo $var; } preg_replace('/a/', foo("$1"), 'a');

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)
8.3.40.0060.01018.92
8.3.30.0110.00418.97
8.3.20.0080.00819.05
8.3.10.0060.00318.85
8.3.00.0040.00419.63
8.2.170.0070.00722.96
8.2.160.0130.00318.99
8.2.150.0030.00624.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00421.07
8.2.110.0060.00320.29
8.2.100.0040.00818.03
8.2.90.0070.00319.26
8.2.80.0080.00017.97
8.2.70.0060.00317.75
8.2.60.0040.00418.05
8.2.50.0000.00818.05
8.2.40.0000.00919.63
8.2.30.0060.00317.90
8.2.20.0070.00317.83
8.2.10.0000.00817.93
8.2.00.0030.00619.73
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00023.87
8.1.230.0040.00817.48
8.1.220.0050.00317.74
8.1.210.0080.00318.77
8.1.200.0060.00317.47
8.1.190.0000.00917.48
8.1.180.0040.00418.10
8.1.170.0090.00017.62
8.1.160.0070.00019.09
8.1.150.0040.00418.73
8.1.140.0030.00617.53
8.1.130.0030.00317.57
8.1.120.0040.00417.58
8.1.110.0000.00817.53
8.1.100.0040.00417.54
8.1.90.0020.00517.64
8.1.80.0030.00417.55
8.1.70.0070.00017.50
8.1.60.0040.00417.63
8.1.50.0040.00417.59
8.1.40.0030.00717.73
8.1.30.0040.00417.70
8.1.20.0080.00017.80
8.1.10.0000.00717.63
8.1.00.0080.00017.58
8.0.300.0050.00318.77
8.0.290.0040.00416.88
8.0.280.0040.00418.60
8.0.270.0000.00717.29
8.0.260.0030.00317.03
8.0.250.0030.00517.02
8.0.240.0070.00017.00
8.0.230.0000.00717.13
8.0.220.0000.00817.05
8.0.210.0020.00516.97
8.0.200.0000.00617.00
8.0.190.0000.00817.14
8.0.180.0060.00317.01
8.0.170.0100.00017.04
8.0.160.0000.00716.91
8.0.150.0000.00816.87
8.0.140.0120.00017.02
8.0.130.0060.00313.46
8.0.120.0060.00316.98
8.0.110.0060.00316.95
8.0.100.0040.00416.82
8.0.90.0000.00816.86
8.0.80.0090.00616.96
8.0.70.0040.00416.79
8.0.60.0080.00016.91
8.0.50.0040.00416.92
8.0.30.0080.01217.33
8.0.20.0120.00917.04
8.0.10.0040.00417.10
8.0.00.0120.01416.99
7.4.330.0000.00613.10
7.4.320.0060.00016.70
7.4.300.0000.00716.76
7.4.290.0040.00416.82
7.4.280.0050.00316.73
7.4.270.0040.00416.70
7.4.260.0000.00513.38
7.4.250.0040.00416.77
7.4.240.0070.00016.71
7.4.230.0000.00716.62
7.4.220.0150.00316.91
7.4.210.0170.00316.84
7.4.200.0070.00016.91
7.4.190.0040.00316.67
7.4.160.0060.01016.75
7.4.150.0070.01116.89
7.4.140.0070.01317.86
7.4.130.0130.01016.46
7.4.120.0070.01016.60
7.4.110.0100.01516.68
7.4.100.0100.00716.63
7.4.90.0070.01816.56
7.4.80.0100.00619.39
7.4.70.0100.00716.74
7.4.60.0090.00916.61
7.4.50.0030.00316.63
7.4.40.0000.01616.61
7.4.30.0140.00316.75
7.4.00.0030.01315.05
7.3.330.0060.00013.22
7.3.320.0000.00513.28
7.3.310.0000.00716.27
7.3.300.0090.00016.32
7.3.290.0080.00616.41
7.3.280.0110.01116.46
7.3.270.0060.01216.44
7.3.260.0060.01216.96
7.3.240.0130.00316.39
7.3.230.0120.00616.91
7.3.210.0060.01216.58
7.3.200.0070.01419.39
7.3.190.0130.00316.39
7.3.180.0080.00816.41
7.3.170.0070.01116.43
7.3.160.0060.01016.38
7.3.120.0000.01315.26
7.2.330.0090.01016.88
7.2.320.0030.01316.84
7.2.310.0110.00916.73
7.2.300.0080.00816.91
7.2.290.0100.00616.55
7.2.00.0000.01319.66
7.1.100.0000.00918.65
7.1.70.0030.01317.44
7.1.60.0100.01419.25
7.1.50.0100.01316.96
7.1.00.0030.06322.32
7.0.200.0060.00316.86
7.0.140.0070.07322.21
7.0.120.0070.07022.04
7.0.60.0100.03719.98
7.0.50.0100.08017.89
7.0.40.0030.08020.26
7.0.30.0300.06020.11
7.0.20.0200.04320.22
7.0.10.0070.06320.17
7.0.00.0130.07020.09
5.6.280.0000.07721.15
5.6.210.0030.08020.67
5.6.200.0130.07718.22
5.6.190.0030.04720.67
5.6.180.3630.04320.48
5.6.170.0170.06320.55
5.6.160.0030.04720.55
5.6.150.0070.06018.25
5.6.140.0000.05318.18
5.6.130.0200.07318.28
5.6.120.0070.05020.99
5.6.110.0070.07720.99
5.6.100.0170.06320.86
5.6.90.0100.05721.02
5.6.80.0100.06320.41
5.6.70.4430.04020.42
5.5.350.0030.06320.50
5.5.340.0070.06717.92
5.5.330.0070.08720.44
5.5.320.0230.07720.38
5.5.310.0270.08020.37
5.5.300.0070.07717.96
5.5.290.0030.04718.04
5.5.280.0100.05320.73
5.5.270.0100.08320.80
5.5.260.0170.07720.73
5.5.250.0100.07320.62
5.5.240.0030.07320.26
5.4.450.1170.03719.08
5.4.440.1400.04719.30
5.4.430.1430.04019.22
5.4.420.1870.04719.35
5.4.410.1830.03719.51
5.4.400.1470.04019.06
5.4.390.1600.03718.79
5.4.380.1900.05319.03
5.4.370.1730.04319.23
5.4.360.1530.03718.99
5.4.350.1470.03718.75
5.4.340.1500.03718.99
5.4.320.0000.04019.17
5.4.310.0030.03718.93
5.4.300.0070.05718.98
5.4.290.1070.03319.31
5.4.280.1600.05019.30
5.4.270.1570.04018.99
5.4.260.1370.03019.31
5.4.250.1330.04019.11
5.4.240.1670.03318.74
5.4.230.1330.03318.97
5.4.220.1530.03318.88
5.4.210.1670.04319.07
5.4.200.1500.04019.22
5.4.190.1470.04019.16
5.4.180.1700.04318.74
5.4.170.0930.04019.30
5.4.160.0030.03719.10
5.4.150.0000.04019.14
5.4.140.0970.03016.36
5.4.130.1500.03316.55
5.4.120.1370.03716.54
5.4.110.1530.03716.24
5.4.100.1600.03316.62
5.4.90.1370.03716.41
5.4.80.1470.03316.49
5.4.70.1470.03316.23
5.4.60.1330.03316.49
5.4.50.1430.03716.43
5.4.40.1970.03316.42
5.4.30.1600.03316.48
5.4.20.1370.03016.53
5.4.10.0000.03716.51
5.4.00.0100.03015.95
5.3.290.0830.03314.63
5.3.280.1230.04014.67
5.3.270.1430.03714.57
5.3.260.1470.04014.52
5.3.250.1500.04314.65
5.3.240.1570.03714.61
5.3.230.1830.04314.50
5.3.220.1530.03314.58
5.3.210.1770.05014.62
5.3.200.1600.03314.46
5.3.190.1600.03714.71
5.3.180.1570.03314.57
5.3.170.1100.04014.57
5.3.160.0130.06314.46
5.3.150.0130.06714.60
5.3.140.0230.05714.52
5.3.130.1800.05014.57
5.3.120.1800.03714.45
5.3.110.1600.04014.55
5.3.100.1700.03314.15
5.3.90.1730.03013.92
5.3.80.1700.04314.02
5.3.70.1470.03714.10
5.3.60.1430.04014.14
5.3.50.1470.03714.03
5.3.40.1830.03313.86
5.3.30.1670.03714.05
5.3.20.0270.04713.85
5.3.10.0000.04313.58
5.3.00.0170.04313.54
5.2.170.1370.03711.23
5.2.160.1330.03011.06
5.2.150.1630.04011.06
5.2.140.1500.03011.14
5.2.130.1400.03711.07
5.2.120.1400.04011.05
5.2.110.1230.03011.17
5.2.100.1530.02711.11
5.2.90.1470.03711.21
5.2.80.1370.03711.07
5.2.70.1530.03711.16
5.2.60.1470.03011.13
5.2.50.1530.03311.16
5.2.40.0770.03711.00
5.2.30.0070.02711.19
5.2.20.0030.03010.89
5.2.10.0030.04310.79
5.2.00.0030.02710.79
5.1.60.0470.04310.07
5.1.50.1100.0309.97
5.1.40.1030.03010.02
5.1.30.1030.03310.31
5.1.20.1200.03310.25
5.1.10.0930.0309.96
5.1.00.1030.0209.96
5.0.50.0530.0208.59
5.0.40.0630.0238.49
5.0.30.0500.0308.21
5.0.20.0530.0178.10
5.0.10.0670.0278.06
5.0.00.0630.0508.07
4.4.90.0600.0208.02
4.4.80.0630.0278.02
4.4.70.0600.0178.02
4.4.60.0600.0238.02
4.4.50.0570.0208.02
4.4.40.0630.0438.02
4.4.30.0570.0178.02
4.4.20.0170.0308.02
4.4.10.0000.0278.02
4.4.00.0130.0378.02
4.3.110.0000.0208.02
4.3.100.0000.0408.02
4.3.90.0000.0308.02
4.3.80.0000.0378.02
4.3.70.0070.0138.02
4.3.60.0330.0208.02
4.3.50.0700.0278.02
4.3.40.0570.0308.02
4.3.30.0330.0308.02
4.3.20.0270.0178.02
4.3.10.0300.0208.02
4.3.00.0230.0178.02

preferences:
71.35 ms | 400 KiB | 5 Q