3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { function __construct() { $a =& $this; $a = new stdClass; var_dump($this->foo()); } function foo(){ return __METHOD__; } } var_dump(new 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)
8.3.60.0100.00716.74
8.3.50.0120.01022.12
8.3.40.0070.00718.86
8.3.30.0110.00318.84
8.3.20.0070.00020.15
8.3.10.0030.00621.78
8.3.00.0070.00319.05
8.2.180.0100.01018.25
8.2.170.0140.00422.96
8.2.160.0070.00720.35
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0030.01626.16
8.2.120.0080.00019.64
8.2.110.0060.00320.19
8.2.100.0040.00817.79
8.2.90.0050.00318.09
8.2.80.0080.00017.97
8.2.70.0100.00017.50
8.2.60.0090.00317.90
8.2.50.0080.00018.07
8.2.40.0000.00717.95
8.2.30.0030.00718.00
8.2.20.0000.00817.59
8.2.10.0080.00018.05
8.2.00.0040.00417.59
8.1.280.0070.01025.92
8.1.270.0030.00618.73
8.1.260.0070.00026.35
8.1.250.0050.00228.09
8.1.240.0070.00322.24
8.1.230.0000.01120.87
8.1.220.0080.00017.74
8.1.210.0030.00518.77
8.1.200.0080.00317.23
8.1.190.0000.00817.00
8.1.180.0000.00818.10
8.1.170.0030.00518.46
8.1.160.0040.00421.84
8.1.150.0040.00418.87
8.1.140.0070.00017.39
8.1.130.0000.00717.76
8.1.120.0000.01017.38
8.1.110.0080.00017.39
8.1.100.0000.00717.38
8.1.90.0030.00317.39
8.1.80.0000.00717.28
8.1.70.0070.00017.36
8.1.60.0040.00417.54
8.1.50.0040.00417.54
8.1.40.0040.00417.43
8.1.30.0030.00517.55
8.1.20.0080.00017.57
8.1.10.0040.00417.45
8.1.00.0040.00417.35
8.0.300.0000.00719.96
8.0.290.0040.00416.63
8.0.280.0000.00618.42
8.0.270.0000.00717.13
8.0.260.0030.00517.05
8.0.250.0000.00716.88
8.0.240.0000.00716.75
8.0.230.0000.01016.77
8.0.220.0030.00316.72
8.0.210.0030.00316.85
8.0.200.0030.00316.81
8.0.190.0050.00316.77
8.0.180.0030.00616.73
8.0.170.0040.00416.72
8.0.160.0000.00716.75
8.0.150.0070.00016.66
8.0.140.0050.00316.69
8.0.130.0030.00313.25
8.0.120.0040.00416.70
8.0.110.0000.00816.79
8.0.100.0050.00216.84
8.0.90.0070.00016.69
8.0.80.0100.01016.78
8.0.70.0050.00316.75
8.0.60.0040.00416.86
8.0.50.0040.00416.63
8.0.30.0100.01417.06
8.0.20.0130.01017.40
8.0.10.0000.00816.88
8.0.00.0100.00816.63
7.4.330.0020.00215.08
7.4.320.0030.00316.42
7.4.300.0030.00316.59
7.4.290.0100.00016.42
7.4.280.0000.00816.41
7.4.270.0070.00016.62
7.4.260.0030.00616.57
7.4.250.0070.00016.57
7.4.240.0020.00516.54
7.4.230.0040.00416.57
7.4.220.0090.00816.56
7.4.210.0060.00916.54
7.4.200.0070.00016.63
7.4.160.0120.00316.45
7.4.150.0100.00717.40
7.4.140.0050.01317.86
7.4.130.0100.00716.49
7.4.120.0080.01116.62
7.4.110.0110.00816.41
7.4.100.0090.01216.42
7.4.90.0070.01016.60
7.4.80.0090.01319.39
7.4.70.0080.00916.47
7.4.60.0110.00616.52
7.4.50.0030.00516.29
7.4.40.0100.00716.37
7.4.30.0160.00716.48
7.4.00.0060.00814.88
7.3.330.0060.00013.18
7.3.320.0080.00813.10
7.3.310.0000.00716.00
7.3.300.0030.00316.12
7.3.290.0060.01116.20
7.3.280.0060.00916.26
7.3.270.0060.01217.40
7.3.260.0130.01016.47
7.3.250.0060.01116.29
7.3.240.0140.00816.16
7.3.230.0160.00616.39
7.3.210.0060.00916.23
7.3.200.0100.00619.39
7.3.190.0000.02016.36
7.3.180.0070.01416.29
7.3.170.0060.01016.65
7.3.160.0030.01516.41
7.3.120.0090.00914.63
7.3.110.0030.01414.60
7.3.100.0100.00714.73
7.3.90.0070.01014.68
7.3.80.0060.00914.69
7.3.70.0030.00614.87
7.3.60.0150.00014.73
7.3.50.0080.00814.71
7.3.40.0040.00414.81
7.3.30.0000.01614.72
7.3.20.0030.01116.56
7.3.10.0030.00916.62
7.3.00.0060.00316.80
7.2.330.0100.00716.39
7.2.320.0070.01116.63
7.2.310.0070.01016.32
7.2.300.0160.00716.46
7.2.290.0060.01516.48
7.2.250.0160.00314.99
7.2.240.0120.00915.14
7.2.230.0060.00614.61
7.2.220.0030.01415.22
7.2.210.0060.00914.86
7.2.200.0060.00314.94
7.2.190.0070.00714.93
7.2.180.0000.01215.03
7.2.170.0070.00315.00
7.2.60.0070.00716.72
7.2.00.0000.01119.47
7.1.330.0110.00315.99
7.1.320.0030.01315.68
7.1.310.0110.00715.70
7.1.300.0080.00815.78
7.1.290.0070.00415.63
7.1.280.0040.00715.57
7.1.270.0060.00815.76
7.1.260.0000.00815.88
7.1.200.0000.01215.71
7.1.100.0000.01118.23
7.1.70.0040.00417.03
7.1.60.0000.01119.46
7.1.50.0100.01317.04
7.1.00.0100.07022.36
7.0.200.0000.00716.73
7.0.140.0000.07722.12
7.0.70.3230.02319.95
7.0.60.0030.09020.03
7.0.50.0030.07317.86
7.0.40.0000.06320.14
7.0.30.0230.08020.06
7.0.20.0230.06720.06
7.0.10.0230.04720.30
7.0.00.0070.08720.23
5.6.280.0030.07321.05
5.6.210.0030.04020.61
5.6.200.0070.03718.16
5.6.190.0000.07020.61
5.6.180.0200.05020.36
5.6.170.0330.07320.46
5.6.160.0070.06020.55
5.6.150.0070.07018.14
5.6.140.0100.07318.18
5.6.130.0070.03718.25
5.6.120.0200.07320.99
5.6.110.0030.08320.90
5.6.100.0100.07021.13
5.6.90.0300.06721.01
5.6.80.0030.04020.54
5.6.70.0130.04720.28
5.5.350.0100.07320.50
5.5.340.0030.04017.99
5.5.330.0030.08020.27
5.5.320.0070.04320.29
5.5.310.0230.07020.34
5.5.300.0030.04317.95
5.5.290.0130.04017.99
5.5.280.0130.04720.80
5.5.270.0070.03720.76
5.5.260.0030.07020.96
5.5.250.0100.07720.47
5.5.240.0070.08020.24
5.4.450.0600.07319.48
5.4.440.1100.06019.40
5.4.430.0830.05019.14
5.4.420.0900.05719.39
5.4.410.0130.05318.98
5.4.400.0100.06018.50
5.4.390.0170.05318.57
5.4.380.0230.06318.60
5.4.370.0200.05018.75
5.4.360.0230.04718.77
5.4.350.0130.06018.79
5.4.340.0230.04718.61
5.4.320.0200.05318.56
5.4.310.0170.05318.79
5.4.300.0170.05318.84
5.4.290.0200.05018.78
5.4.280.0230.05018.78
5.4.270.0200.05318.75
5.4.260.0200.06018.46
5.4.250.0300.06318.50
5.4.240.0270.06718.75
5.4.230.0270.06718.73
5.4.220.0330.05018.77
5.4.210.0230.04318.71
5.4.200.0170.05016.56
5.4.190.0200.05318.75
5.4.180.0370.05718.79
5.4.170.0170.07718.52
5.4.160.0130.05718.59
5.4.150.0170.05318.71
5.4.140.0130.05316.29
5.4.130.0200.04316.30
5.4.120.0230.04316.44
5.4.110.0200.04316.33
5.4.100.0170.05016.25
5.4.90.0270.04016.28
5.4.80.0070.05716.18
5.4.70.0100.05716.16
5.4.60.0130.05316.31
5.4.50.0170.05016.25
5.4.40.0200.04716.21
5.4.30.0130.05016.20
5.4.20.0070.06316.17
5.4.10.0200.05016.39
5.4.00.0270.05715.59
5.3.290.0130.08014.66
5.3.280.0100.06014.78
5.3.270.0270.04314.66
5.3.260.0270.05014.60
5.3.250.0100.06014.64
5.3.240.0230.04714.60
5.3.230.0230.04714.65
5.3.220.0170.05014.73
5.3.210.0270.04314.55
5.3.200.0100.06014.77
5.3.190.0070.06014.75
5.3.180.0170.05314.66
5.3.170.0270.05014.70
5.3.160.0200.05014.54
5.3.150.0170.05014.59
5.3.140.0270.04314.77
5.3.130.0170.06314.60
5.3.120.0130.05714.68
5.3.110.0230.05014.64
5.3.100.0230.04714.06
5.3.90.0170.05014.04
5.3.80.0130.05714.13
5.3.70.0170.05314.06
5.3.60.0300.04014.13
5.3.50.0300.04014.07
5.3.40.0270.04313.99
5.3.30.0300.04314.09
5.3.20.0230.04313.73
5.3.10.0100.05313.77
5.3.00.0070.06013.85
5.2.170.0130.04311.25
5.2.160.0130.04011.30
5.2.150.0100.04711.25
5.2.140.0130.04311.27
5.2.130.0170.04011.17
5.2.120.0130.04011.32
5.2.110.0130.04011.21
5.2.100.0200.03311.32
5.2.90.0170.03711.32
5.2.80.0130.04011.21
5.2.70.0070.05311.08
5.2.60.0100.05711.07
5.2.50.0200.03311.03
5.2.40.0070.04311.22
5.2.30.0130.04011.17
5.2.20.0100.04011.06
5.2.10.0130.03710.96
5.2.00.0100.04310.84
5.1.60.0100.04010.03
5.1.50.0100.03710.14
5.1.40.0100.0479.98
5.1.30.0130.03710.52
5.1.20.0130.03710.41
5.1.10.0170.03010.09
5.1.00.0200.02710.17
5.0.50.0030.0338.57
5.0.40.0070.0278.55
5.0.30.0000.0538.41
5.0.20.0130.0208.22
5.0.10.0130.0208.31
5.0.00.0030.0478.34
4.4.90.0030.0235.94
4.4.80.0070.0205.90
4.4.70.0070.0205.93
4.4.60.0100.0235.96
4.4.50.0130.0235.89
4.4.40.0000.0405.88
4.4.30.0000.0275.89
4.4.20.0100.0205.96
4.4.10.0070.0206.04
4.4.00.0030.0375.91
4.3.110.0030.0275.82
4.3.100.0000.0275.82
4.3.90.0070.0205.80
4.3.80.0070.0335.80
4.3.70.0070.0205.82
4.3.60.0130.0135.80
4.3.50.0070.0235.79
4.3.40.0030.0375.79
4.3.30.0000.0274.54
4.3.20.0030.0234.57
4.3.10.0000.0274.63
4.3.00.0000.0237.31

preferences:
66.54 ms | 401 KiB | 5 Q