3v4l.org

run code in 300+ PHP versions simultaneously
<?php ob_start(function($str) { return "Modified: " . $str; }, 2); $out = fopen("php://output", "w"); fwrite($out, "Hello world");

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)
8.3.60.0150.00616.38
8.3.50.0130.00618.10
8.3.40.0070.01018.66
8.3.30.0070.00718.63
8.3.20.0090.00618.82
8.3.10.0060.00320.39
8.3.00.0040.00419.15
8.2.180.0070.01416.38
8.2.170.0120.00322.96
8.2.160.0120.00918.82
8.2.150.0110.00724.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0080.00017.50
8.2.110.0100.00019.27
8.2.100.0080.00317.78
8.2.90.0040.00519.30
8.2.80.0000.00719.28
8.2.70.0000.00817.63
8.2.60.0060.00317.93
8.2.50.0080.00319.13
8.2.40.0060.00317.97
8.2.30.0000.00717.98
8.2.20.0070.00319.48
8.2.10.0000.00717.63
8.2.00.0050.00217.67
8.1.280.0070.00725.92
8.1.270.0080.00022.12
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00621.24
8.1.230.0040.00720.93
8.1.220.0050.00317.74
8.1.210.0040.00418.98
8.1.200.0030.00617.38
8.1.190.0070.00017.53
8.1.180.0000.00918.10
8.1.170.0040.00718.78
8.1.160.0000.00718.82
8.1.150.0000.00718.64
8.1.140.0040.00417.46
8.1.130.0030.00317.80
8.1.120.0080.00017.47
8.1.110.0040.00417.34
8.1.100.0040.00417.38
8.1.90.0040.00417.54
8.1.80.0000.00717.52
8.1.70.0000.00817.36
8.1.60.0050.00317.58
8.1.50.0030.00617.52
8.1.40.0000.00817.49
8.1.30.0030.00517.68
8.1.20.0000.00717.69
8.1.10.0040.00417.55
8.1.00.0070.00017.30
8.0.300.0070.00020.03
8.0.290.0000.00716.75
8.0.280.0000.00818.38
8.0.270.0030.00317.36
8.0.260.0030.00316.87
8.0.250.0070.00016.98
8.0.240.0000.00716.90
8.0.230.0000.00716.99
8.0.220.0040.00416.86
8.0.210.0030.00316.82
8.0.200.0060.00017.00
8.0.190.0030.00316.98
8.0.180.0040.00416.85
8.0.170.0000.00816.85
8.0.160.0030.00316.85
8.0.150.0040.00416.88
8.0.140.0040.00416.80
8.0.130.0050.00013.37
8.0.120.0030.00516.95
8.0.110.0030.00516.80
8.0.100.0000.00716.80
8.0.90.0000.00816.88
8.0.80.0060.00916.90
8.0.70.0060.00316.85
8.0.60.0070.00016.98
8.0.50.0050.00316.94
8.0.30.0170.00317.01
8.0.20.0050.01316.88
8.0.10.0070.00016.86
8.0.00.0070.01116.66
7.4.330.0000.00513.10
7.4.320.0000.00616.50
7.4.300.0030.00316.42
7.4.290.0020.00516.63
7.4.280.0080.00016.50
7.4.270.0030.00316.60
7.4.260.0060.00013.23
7.4.250.0040.00416.48
7.4.240.0030.00316.57
7.4.230.0030.00316.53
7.4.220.0090.00916.46
7.4.210.0040.01116.64
7.4.200.0030.00316.49
7.4.190.0030.00316.65
7.4.160.0110.00616.53
7.4.150.0130.00716.37
7.4.140.0060.01216.51
7.4.130.0060.01216.64
7.4.120.0100.00716.47
7.4.110.0140.00716.55
7.4.100.0060.01116.44
7.4.90.0100.00716.34
7.4.80.0170.00319.39
7.4.70.0100.01316.50
7.4.60.0100.00716.51
7.4.50.0000.00716.35
7.4.40.0070.01016.62
7.4.30.0070.01016.36
7.4.00.0030.01214.72
7.3.330.0000.00613.18
7.3.320.0000.00513.14
7.3.310.0000.00716.52
7.3.300.0030.00416.23
7.3.290.0060.00916.35
7.3.280.0100.00616.40
7.3.270.0070.01016.55
7.3.260.0140.00316.39
7.3.250.0140.00516.38
7.3.240.0160.00616.36
7.3.230.0110.00716.43
7.3.210.0090.00916.59
7.3.200.0060.01216.50
7.3.190.0000.02216.31
7.3.180.0090.00616.53
7.3.170.0100.00616.21
7.3.160.0130.00316.60
7.3.120.0100.00314.93
7.2.330.0130.00716.59
7.2.320.0190.00416.61
7.2.310.0060.01316.52
7.2.300.0130.01016.74
7.2.290.0040.01116.34
7.2.00.0080.00519.45
7.1.100.0040.00818.14
7.1.70.0000.00717.07
7.1.60.0100.01319.31
7.1.50.0060.01316.91
7.1.00.0100.03722.43
7.0.200.0050.00316.77
7.0.140.0030.07322.21
7.0.120.0100.05722.23
7.0.60.0130.07020.04
7.0.50.0070.08018.02
7.0.40.0030.04320.26
7.0.30.0270.05320.13
7.0.20.0300.06320.33
7.0.10.0200.06720.14
7.0.00.0070.06020.25
5.6.280.0000.07321.02
5.6.210.0030.04320.71
5.6.200.0130.07718.12
5.6.190.0170.08020.50
5.6.180.0370.07020.32
5.6.170.0370.04020.50
5.6.160.0200.07020.71
5.6.150.0070.08018.22
5.6.140.0070.08718.17
5.6.130.0070.04018.16
5.6.120.0100.08021.13
5.6.110.0000.04721.14
5.6.100.0000.04321.11
5.6.90.0070.07021.00
5.6.80.0070.05320.51
5.6.70.0330.05020.41
5.5.350.0270.04720.47
5.5.340.0100.06718.05
5.5.330.0030.05020.43
5.5.320.0200.06320.26
5.5.310.0230.08320.27
5.5.300.0100.07317.92
5.5.290.0000.05717.95
5.5.280.0030.04020.74
5.5.270.0000.07320.88
5.5.260.0030.08020.65
5.5.250.0100.07720.68
5.5.240.0100.08020.07
5.4.450.0100.06719.53
5.4.440.0130.04319.47
5.4.430.0000.04719.25
5.4.420.0100.06719.48
5.4.410.0030.05019.20
5.4.400.0030.07719.12
5.4.390.0100.07319.24
5.4.380.0100.07319.19
5.4.370.0030.07018.97
5.4.360.0070.08019.14
5.4.350.0100.04718.88
5.4.340.0030.04019.14
5.4.320.0130.06719.24
5.4.310.0030.06319.08
5.4.300.0070.04319.24
5.4.290.0100.05719.16
5.4.280.0130.07018.87
5.4.270.0070.06019.14
5.4.260.0070.07718.92
5.4.250.0070.08019.24
5.4.240.0100.03319.23
5.4.230.0030.04719.07
5.4.220.0000.04318.84
5.4.210.0030.03719.27
5.4.200.0100.03019.23
5.4.190.0070.03318.86
5.4.180.0000.04019.13
5.4.170.0000.04719.23
5.4.160.0030.03718.84
5.4.150.0030.05319.14
5.4.140.0000.03716.43
5.4.130.0100.02716.42
5.4.120.0030.03716.50
5.4.110.0070.03316.41
5.4.100.0030.03316.34
5.4.90.0000.04016.30
5.4.80.0070.03016.34
5.4.70.0070.03716.41
5.4.60.0000.03716.31
5.4.50.0000.03716.28
5.4.40.0030.03316.27
5.4.30.0030.03316.25
5.4.20.0070.03716.37
5.4.10.0030.03316.50
5.4.00.0000.03715.81
5.3.290.0100.07314.65
5.3.280.0130.05014.64
5.3.270.0030.03714.75
5.3.260.0000.04014.75
5.3.250.0070.04014.49
5.3.240.0030.03714.66
5.3.230.0070.03314.65
5.3.220.0030.03714.48
5.3.210.0030.03714.57
5.3.200.0000.04014.59
5.3.190.0070.03314.64
5.3.180.0100.03014.56
5.3.170.0030.04314.61
5.3.160.0000.04014.61
5.3.150.0070.03314.71
5.3.140.0030.03714.55
5.3.130.0070.03314.57
5.3.120.0000.04314.55
5.3.110.0130.03014.55
5.3.100.0000.04014.08
5.3.90.0030.03314.08
5.3.80.0000.04313.94
5.3.70.0130.02714.03
5.3.60.0070.03014.05
5.3.50.0030.03314.02
5.3.40.0030.03313.98
5.3.30.0000.03713.96
5.3.20.0000.04013.61
5.3.10.0100.04013.65
5.3.00.0100.06713.69
5.2.170.0000.03010.96
5.2.160.0030.02711.09
5.2.150.0030.02711.04
5.2.140.0000.03011.03
5.2.130.0000.03011.11
5.2.120.0000.04011.00
5.2.110.0030.04010.98
5.2.100.0030.05311.26
5.2.90.0000.04010.98
5.2.80.0000.04011.09
5.2.70.0070.03310.98
5.2.60.0000.03011.13
5.2.50.0030.03010.95
5.2.40.0070.02710.89
5.2.30.0000.03010.91
5.2.20.0000.04010.92
5.2.10.0030.05711.02
5.2.00.0070.04310.77
5.1.60.0030.05010.07
5.1.50.0000.0409.95
5.1.40.0030.03310.05
5.1.30.0070.03310.41
5.1.20.0070.03010.35
5.1.10.0070.0539.97
5.1.00.0000.04310.23
5.0.50.0070.0178.61
5.0.40.0030.0238.45
5.0.30.0000.0608.06
5.0.20.0000.0308.15
5.0.10.0070.0208.07
5.0.00.0000.0378.13
4.4.90.0030.0377.80
4.4.80.0070.0177.80
4.4.70.0030.0337.80
4.4.60.0030.0377.80
4.4.50.0000.0337.80
4.4.40.0000.0537.80
4.4.30.0000.0177.80
4.4.20.0000.0337.80
4.4.10.0030.0177.80
4.4.00.0030.0237.80
4.3.110.0000.0207.80
4.3.100.0030.0307.80
4.3.90.0000.0207.80
4.3.80.0070.0477.80
4.3.70.0000.0177.80
4.3.60.0000.0207.80
4.3.50.0000.0177.80
4.3.40.0100.0307.80
4.3.30.0030.0177.80
4.3.20.0030.0337.80
4.3.10.0030.0207.80
4.3.00.0000.0207.80

preferences:
42.78 ms | 401 KiB | 5 Q