3v4l.org

run code in 300+ PHP versions simultaneously
<?php //Source: https://bugs.php.net/bug.php?id=62437 function output($buffer) { global $object; return $buffer . $object; } ob_start('output'); $object = 'tertert'; echo "foo ";

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)
8.3.60.0070.01416.25
8.3.50.0240.00816.28
8.3.40.0110.00418.50
8.3.30.0040.01218.40
8.3.20.0000.00818.53
8.3.10.0030.00520.40
8.3.00.0080.00019.38
8.2.180.0120.00316.63
8.2.170.0100.00322.96
8.2.160.0070.00721.24
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0000.00726.16
8.2.120.0070.00020.38
8.2.110.0060.00320.80
8.2.100.0040.00817.73
8.2.90.0030.00619.22
8.2.80.0080.00018.03
8.2.70.0060.00317.25
8.2.60.0000.00817.80
8.2.50.0050.00318.07
8.2.40.0040.00418.16
8.2.30.0000.00817.91
8.2.20.0040.00417.71
8.2.10.0000.00717.61
8.2.00.0000.00717.73
8.1.280.0100.00725.92
8.1.270.0000.00824.66
8.1.260.0080.00026.35
8.1.250.0050.00228.09
8.1.240.0060.00322.38
8.1.230.0040.00720.85
8.1.220.0000.00917.74
8.1.210.0050.00318.77
8.1.200.0060.00317.35
8.1.190.0060.00317.53
8.1.180.0080.00018.10
8.1.170.0040.00418.77
8.1.160.0000.00818.83
8.1.150.0040.00418.44
8.1.140.0040.00417.26
8.1.130.0080.00017.80
8.1.120.0050.00317.29
8.1.110.0040.00417.32
8.1.100.0050.00317.43
8.1.90.0040.00417.42
8.1.80.0000.00717.43
8.1.70.0030.00317.33
8.1.60.0030.00517.41
8.1.50.0040.00417.44
8.1.40.0040.00417.45
8.1.30.0000.00817.50
8.1.20.0040.00417.60
8.1.10.0040.00417.53
8.1.00.0040.00417.33
8.0.300.0040.00420.08
8.0.290.0000.00716.75
8.0.280.0070.00018.50
8.0.270.0030.00317.24
8.0.260.0070.00018.48
8.0.250.0000.00816.98
8.0.240.0040.00416.98
8.0.230.0030.00316.81
8.0.220.0050.00216.79
8.0.210.0000.00916.78
8.0.200.0000.00716.82
8.0.190.0000.00717.00
8.0.180.0000.00716.81
8.0.170.0080.00016.89
8.0.160.0030.00316.94
8.0.150.0040.00416.80
8.0.140.0030.00616.85
8.0.130.0000.00613.40
8.0.120.0000.00716.88
8.0.110.0000.00816.89
8.0.100.0080.00016.82
8.0.90.0000.00716.80
8.0.80.0130.00616.78
8.0.70.0080.00016.77
8.0.60.0000.00816.86
8.0.50.0030.00516.84
8.0.30.0160.00317.19
8.0.20.0160.00717.00
8.0.10.0000.00716.85
8.0.00.0060.01216.79
7.4.330.0000.00512.91
7.4.320.0070.00016.29
7.4.300.0000.00616.48
7.4.290.0070.00016.46
7.4.280.0000.00716.41
7.4.270.0040.00316.52
7.4.260.0000.00613.27
7.4.250.0070.00316.35
7.4.240.0000.00716.46
7.4.230.0030.00316.58
7.4.220.0060.01216.55
7.4.210.0070.00816.46
7.4.200.0030.00316.48
7.4.190.0000.00816.54
7.4.160.0120.00316.29
7.4.150.0150.00316.39
7.4.140.0130.00716.47
7.4.130.0100.00716.47
7.4.120.0150.00416.58
7.4.110.0100.00716.40
7.4.100.0100.00716.44
7.4.90.0060.01616.28
7.4.80.0130.00816.48
7.4.70.0030.01316.38
7.4.60.0070.01016.41
7.4.50.0110.00316.28
7.4.40.0030.01016.33
7.4.30.0040.01216.45
7.4.00.0100.00315.07
7.3.330.0000.00613.05
7.3.320.0030.00313.03
7.3.310.0030.00316.10
7.3.300.0030.00316.20
7.3.290.0030.01316.11
7.3.280.0110.00516.21
7.3.270.0090.00916.51
7.3.260.0100.00716.29
7.3.250.0090.01116.26
7.3.240.0030.01316.58
7.3.230.0100.00716.38
7.3.210.0100.00716.21
7.3.200.0110.01119.39
7.3.190.0030.01616.58
7.3.180.0030.01416.25
7.3.170.0080.00816.31
7.3.160.0070.01016.19
7.3.120.0100.00714.86
7.3.10.0160.00516.61
7.3.00.0130.00016.70
7.2.330.0090.00916.37
7.2.320.0070.01016.68
7.2.310.0040.01416.33
7.2.300.0030.01316.63
7.2.290.0130.00316.74
7.2.130.0120.00816.77
7.2.120.0000.01216.75
7.2.110.0030.00716.54
7.2.100.0030.00916.63
7.2.90.0140.00016.57
7.2.80.0050.00516.75
7.2.70.0090.00416.86
7.2.60.0000.00916.75
7.2.50.0030.00716.86
7.2.40.0030.00816.73
7.2.30.0090.00616.86
7.2.20.0110.00416.63
7.2.10.0000.01316.57
7.2.00.0060.00618.06
7.1.250.0040.00715.69
7.1.100.0040.00718.04
7.1.70.0140.00716.90
7.1.60.0070.01719.40
7.1.50.0110.01416.65
7.1.00.0000.03722.43
7.0.200.0270.00814.84
7.0.140.0030.07022.12
7.0.120.0130.06322.18
7.0.60.0000.04720.00
7.0.50.0070.08717.88
7.0.40.3600.04020.06
7.0.30.0200.04720.34
7.0.20.0370.04320.20
7.0.10.0330.03720.09
7.0.00.0300.04020.25
5.6.280.0100.06721.12
5.6.210.0170.06720.71
5.6.200.0100.08018.16
5.6.190.3770.04320.54
5.6.180.1970.04320.57
5.6.170.0300.05020.47
5.6.160.0170.04720.54
5.6.150.0230.04320.30
5.6.140.0330.03720.31
5.6.130.0330.03720.27
5.6.120.0130.04320.28
5.6.110.0170.05020.30
5.6.100.0270.04020.26
5.6.90.0400.04720.19
5.6.80.0230.03719.70
5.6.70.0230.03719.65
5.6.60.0230.03719.64
5.6.50.0330.05019.74
5.6.40.0400.07319.63
5.6.30.0370.05719.74
5.6.20.0400.07319.69
5.6.10.0330.08019.69
5.6.00.0370.07319.62
5.5.350.0330.06720.42
5.5.340.0070.06718.07
5.5.330.1500.04020.36
5.5.320.1230.03320.35
5.5.310.0230.04320.37
5.5.300.0300.04020.11
5.5.290.0300.03720.15
5.5.280.0130.04320.13
5.5.270.0070.06020.15
5.5.260.0230.04020.32
5.5.250.0330.04719.92
5.5.240.0200.06019.46
5.5.230.0270.05719.53
5.5.220.0200.04019.49
5.5.210.0300.03719.51
5.5.200.0300.04719.52
5.5.190.0270.04319.42
5.5.180.0270.04019.50
5.5.160.0300.04019.45
5.5.150.0330.07319.43
5.5.140.0400.06719.37
5.5.130.0300.04019.42
5.5.120.0400.07019.42
5.5.110.0300.04019.41
5.5.100.0430.05319.39
5.5.90.0270.05019.38
5.5.80.0470.06719.39
5.5.70.0370.05319.34
5.5.60.0430.05319.57
5.5.50.0370.03319.31
5.5.40.0300.04319.32
5.5.30.0400.04319.47
5.5.20.0330.06319.39
5.5.10.0330.06319.36
5.5.00.0400.07019.41
5.4.450.0230.04019.40
5.4.440.0170.03719.45
5.4.430.0170.04019.30
5.4.420.0300.03719.45
5.4.410.0370.06319.34
5.4.400.0200.03719.05
5.4.390.0270.04719.12
5.4.380.0230.04019.13
5.4.370.0270.06019.27
5.4.360.0370.06318.99
5.4.350.0400.05019.05
5.4.340.0430.06718.97
5.4.320.0400.06719.05
5.4.310.0400.03719.02
5.4.300.0300.04719.14
5.4.290.0430.04319.03
5.4.280.0200.04319.05
5.4.270.0430.06318.95
5.4.260.0300.04718.98
5.4.250.0370.07019.29
5.4.240.0270.06319.02
5.4.230.0430.06719.10
5.4.220.0330.04719.03
5.4.210.0430.06719.03
5.4.200.0270.03719.04
5.4.190.0270.03719.09
5.4.180.0570.05718.96
5.4.170.0230.04319.04
5.4.160.0300.04719.11
5.4.150.0230.04319.08
5.4.140.0330.06716.57
5.4.130.0430.05716.48
5.4.120.0300.03716.38
5.4.110.0300.07316.23
5.4.100.0430.05716.38
5.4.90.0270.04016.59
5.4.80.0430.04316.22
5.4.70.0230.04016.31
5.4.60.0330.06716.34
5.4.50.0300.03016.27
5.4.40.0270.07316.45
5.4.30.0330.04716.45
5.4.20.0370.06316.56
5.4.10.0470.03316.32
5.4.00.0400.04715.84
5.3.290.0370.06714.68
5.3.280.0370.07014.80
5.3.270.0270.04014.64
5.3.260.0230.04314.66
5.3.250.0300.03314.61
5.3.240.0300.06014.56
5.3.230.0370.07714.66
5.3.220.0430.06314.56
5.3.210.0400.07014.64
5.3.200.0400.05714.53
5.3.190.0330.07014.58
5.3.180.0370.06714.59
5.3.170.0330.06314.59
5.3.160.0430.05714.62
5.3.150.0300.03714.60
5.3.140.0230.05014.52
5.3.130.0430.04714.40
5.3.120.0330.05014.76
5.3.110.0400.04314.51
5.3.100.0370.07014.09
5.3.90.0400.05714.09
5.3.80.0370.06314.07
5.3.70.0300.06314.02
5.3.60.0430.06314.05
5.3.50.0400.05013.97
5.3.40.0300.05013.96
5.3.30.0430.05713.97
5.3.20.0300.07313.91
5.3.10.0400.03013.73
5.3.00.0300.06713.68
5.2.170.0230.04311.20
5.2.160.0300.05311.20
5.2.150.0300.05711.15
5.2.140.0330.05311.19
5.2.130.0270.04311.17
5.2.120.0330.05311.31
5.2.110.0370.03711.16
5.2.100.0230.03011.13
5.2.90.0200.03311.11
5.2.80.0330.05711.13
5.2.70.0270.04711.14
5.2.60.0400.05011.06
5.2.50.0300.03311.05
5.2.40.0300.05311.07
5.2.30.0270.04310.96
5.2.20.0300.04710.81
5.2.10.0270.05310.86
5.2.00.0270.03310.71
5.1.60.0200.0239.98
5.1.50.0200.0539.97
5.1.40.0270.03010.03
5.1.30.0370.04010.30
5.1.20.0270.04010.45
5.1.10.0200.03010.13
5.1.00.0270.04710.06
5.0.50.0170.0278.53
5.0.40.0170.0208.40
5.0.30.0130.0608.29
5.0.20.0130.0408.17
5.0.10.0170.0278.21
5.0.00.0100.0377.99
4.4.90.0130.0335.91
4.4.80.0130.0205.91
4.4.70.0170.0335.80
4.4.60.0100.0275.79
4.4.50.0070.0375.85
4.4.40.0070.0475.89
4.4.30.0130.0335.88
4.4.20.0200.0105.96
4.4.10.0100.0275.89
4.4.00.0130.0275.91
4.3.110.0130.0335.81
4.3.100.0130.0205.81
4.3.90.0130.0175.71
4.3.80.0070.0435.70
4.3.70.0100.0275.79
4.3.60.0130.0275.70
4.3.50.0130.0205.73
4.3.40.0100.0275.72
4.3.30.0030.0175.52
4.3.20.0070.0275.52
4.3.10.0070.0275.52
4.3.00.0030.0175.52

preferences:
35.51 ms | 401 KiB | 5 Q