3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "C#maj7"; $qualityVal = ""; if (true) { $qualityVal .= substr($string, 2); } $num = 10; $num += 10; class Hello { public $world = "world"; public function __toString() { return "Hello!"; } } $hello = new Hello(); $world = "world"; echo $hello->$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)
8.3.60.0130.00718.32
8.3.50.0050.01422.18
8.3.40.0130.00318.97
8.3.30.0080.00819.13
8.3.20.0040.01120.16
8.3.10.0040.00423.64
8.3.00.0100.00722.48
8.2.180.0100.00716.75
8.2.170.0100.01022.96
8.2.160.0120.00620.57
8.2.150.0140.00724.18
8.2.140.0120.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00422.21
8.2.110.0040.00720.38
8.2.100.0060.00617.97
8.2.90.0060.00317.88
8.2.80.0030.00619.12
8.2.70.0050.00318.04
8.2.60.0040.00417.91
8.2.50.0040.00418.10
8.2.40.0090.00020.55
8.2.30.0000.00718.13
8.2.20.0040.00417.70
8.2.10.0000.00717.93
8.2.00.0000.00817.79
8.1.280.0150.00625.92
8.1.270.0180.00023.96
8.1.260.0080.00026.35
8.1.250.0090.00928.09
8.1.240.0030.00623.97
8.1.230.0110.00019.03
8.1.220.0000.00917.78
8.1.210.0040.00418.77
8.1.200.0080.00417.23
8.1.190.0000.00817.10
8.1.180.0030.00618.10
8.1.170.0080.00018.50
8.1.160.0030.00621.89
8.1.150.0040.00418.66
8.1.140.0040.00417.33
8.1.130.0000.00717.83
8.1.120.0040.00417.48
8.1.110.0070.00017.34
8.1.100.0000.00717.46
8.1.90.0000.00717.40
8.1.80.0030.00317.46
8.1.70.0030.00317.46
8.1.60.0050.00317.61
8.1.50.0030.00617.56
8.1.40.0040.00417.47
8.1.30.0050.00217.67
8.1.20.0080.00017.71
8.1.10.0000.00817.57
8.1.00.0040.00417.38
8.0.300.0050.00519.36
8.0.290.0040.00416.75
8.0.280.0030.00318.45
8.0.270.0040.00417.27
8.0.260.0000.00716.77
8.0.250.0030.00317.06
8.0.240.0040.00417.07
8.0.230.0000.01017.05
8.0.220.0070.00016.82
8.0.210.0030.00316.98
8.0.200.0000.00816.92
8.0.190.0030.00516.98
8.0.180.0040.00416.88
8.0.170.0050.00316.90
8.0.160.0040.00417.00
8.0.150.0000.00716.91
8.0.140.0050.00316.86
8.0.130.0070.00013.35
8.0.120.0040.00416.95
8.0.110.0000.00716.98
8.0.100.0040.00416.76
8.0.90.0030.00517.00
8.0.80.0000.01616.98
8.0.70.0050.00217.02
8.0.60.0040.00416.85
8.0.50.0040.00416.83
8.0.30.0130.00716.93
8.0.20.0120.00617.40
8.0.10.0040.00417.06
8.0.00.0060.01216.74
7.4.330.0050.00015.00
7.4.320.0030.00316.55
7.4.300.0030.00316.46
7.4.290.0000.00716.59
7.4.280.0030.00316.55
7.4.270.0000.00716.60
7.4.260.0000.00716.47
7.4.250.0040.00416.38
7.4.240.0000.00716.53
7.4.230.0020.00416.45
7.4.220.0110.00616.54
7.4.210.0090.00616.54
7.4.200.0000.00716.48
7.4.190.0000.00716.61
7.4.160.0130.00316.28
7.4.150.0090.00917.40
7.4.140.0100.00717.86
7.4.130.0060.01216.45
7.4.120.0080.01116.47
7.4.110.0080.00816.34
7.4.100.0090.01616.62
7.4.90.0130.00716.43
7.4.80.0160.00619.39
7.4.70.0100.01316.37
7.4.60.0180.00416.37
7.4.50.0040.00416.37
7.4.40.0020.00822.77
7.4.30.0070.01016.42
7.4.00.0040.01114.97
7.3.330.0050.00013.28
7.3.320.0050.00013.18
7.3.310.0000.00716.13
7.3.300.0000.00716.22
7.3.290.0100.00316.33
7.3.280.0090.00816.33
7.3.270.0070.01017.40
7.3.260.0090.00916.38
7.3.250.0090.01116.34
7.3.240.0130.00316.52
7.3.230.0030.01316.39
7.3.210.0070.01016.63
7.3.200.0060.01119.39
7.3.190.0070.01716.32
7.3.180.0080.00816.60
7.3.170.0030.01316.29
7.3.160.0130.00916.35
7.3.120.0060.00614.71
7.3.00.0000.01116.50
7.2.330.0030.01316.40
7.2.320.0070.01716.71
7.2.310.0060.01516.71
7.2.300.0060.01216.71
7.2.290.0070.01016.56
7.2.130.0080.00817.05
7.2.120.0060.00616.86
7.2.110.0000.01616.90
7.2.100.0070.00716.88
7.2.90.0030.01017.05
7.2.80.0030.00717.02
7.2.70.0100.00716.93
7.2.60.0160.00416.63
7.2.50.0080.00416.80
7.2.40.0040.00717.14
7.2.30.0110.00616.79
7.2.20.0090.00316.85
7.2.10.0060.00316.74
7.2.00.0060.00818.06
7.1.250.0030.00515.83
7.1.240.0030.00715.70
7.1.230.0060.00615.93
7.1.220.0060.00615.84
7.1.210.0060.00615.50
7.1.200.0120.00515.95
7.1.190.0030.01215.60
7.1.180.0080.00015.86
7.1.170.0080.00815.65
7.1.160.0060.00615.98
7.1.150.0080.00515.47
7.1.140.0070.00715.54
7.1.130.0000.01115.77
7.1.120.0040.00715.74
7.1.110.0030.00915.78
7.1.100.0070.00217.01
7.1.90.0100.00015.69
7.1.80.0040.00816.03
7.1.70.0050.00716.42
7.1.60.0080.01017.42
7.1.50.0030.00616.36
7.1.40.0040.00815.69
7.1.30.0040.00815.93
7.1.20.0070.00715.77
7.1.10.0080.00415.60
7.1.00.0050.04119.01
7.0.330.0090.00315.18
7.0.320.0070.00715.31
7.0.310.0050.00515.48
7.0.300.0040.00415.25
7.0.290.0040.00414.98
7.0.280.0060.00614.98
7.0.270.0100.00315.23
7.0.260.0030.01015.37
7.0.250.0100.00015.32
7.0.240.0090.00315.23
7.0.230.0050.00514.99
7.0.220.0080.00815.43
7.0.210.0090.00415.23
7.0.200.0000.00915.92
7.0.190.0000.01515.21
7.0.180.0080.00015.34
7.0.170.0030.00315.25
7.0.160.0080.00315.29
7.0.150.0090.00315.22
7.0.140.0050.03818.66
7.0.130.0070.00715.53
7.0.120.0030.00615.29
7.0.110.0050.00315.41
7.0.100.0100.00315.36
7.0.90.0060.00615.00
7.0.80.0040.00715.14
7.0.70.0060.00615.15
7.0.60.0070.03817.64
7.0.50.0060.03616.71
7.0.40.0070.03016.72
7.0.30.0190.04216.80
7.0.20.0150.02516.59
7.0.10.0140.03616.77
7.0.00.0070.03816.85
5.6.380.0110.00014.00
5.6.370.0020.01014.05
5.6.360.0050.00514.30
5.6.350.0040.01314.30
5.6.340.0030.00914.25
5.6.330.0050.00814.36
5.6.320.0000.01013.93
5.6.310.0000.01314.27
5.6.300.0080.00414.50
5.6.290.0060.00614.50
5.6.280.0050.03817.66
5.6.270.0080.00314.11
5.6.260.0080.00414.21
5.6.250.0090.00613.98
5.6.240.0070.00714.31
5.6.230.0080.00414.25
5.6.220.0060.00614.22
5.6.210.0100.04217.46
5.6.200.0090.02016.32
5.6.190.0050.03217.54
5.6.180.0020.03417.31
5.6.170.0200.04317.38
5.6.160.0100.03217.34
5.6.150.0060.04616.15
5.6.140.0030.02916.35
5.6.130.0130.04216.15
5.6.120.0080.04517.52
5.6.110.0050.04717.47
5.6.100.0030.02817.72
5.6.90.0080.03017.61
5.6.80.0080.04317.20
5.6.70.2510.02117.36
5.6.60.0140.00014.11
5.6.50.0030.01214.21
5.6.40.0060.00314.20
5.6.30.0040.01114.09
5.6.20.0000.01414.15
5.6.10.0090.00414.05
5.6.00.0090.00614.13
5.5.380.0030.00911.18
5.5.370.0070.00311.25
5.5.360.0000.00611.18
5.5.350.0080.03815.81
5.5.340.0120.04314.58
5.5.330.0120.04015.73
5.5.320.0040.02315.76
5.5.310.0150.02815.76
5.5.300.0030.03514.68
5.5.290.0040.04314.61
5.5.280.0060.04516.03
5.5.270.0070.02216.02
5.5.260.0020.03716.02
5.5.250.0030.02515.98
5.5.240.0030.03115.60
5.5.230.0060.00311.18
5.5.220.0000.01411.18
5.5.210.0030.00711.18
5.5.200.0040.00811.18
5.5.190.0000.00811.18
5.5.180.0060.00611.18
5.5.170.0000.00711.18
5.5.160.0060.00311.18
5.5.150.0070.00311.18
5.5.140.0030.00711.18
5.5.130.0000.00611.18
5.5.120.0060.00611.18
5.5.110.0000.00611.18
5.5.100.0030.00611.18
5.5.90.0060.00011.18
5.5.80.0070.00711.18
5.5.70.0060.00611.18
5.5.60.0090.00011.20
5.5.50.0090.00011.18
5.5.40.0060.00311.18
5.5.30.0040.00411.18
5.5.20.0000.00711.18
5.5.10.0100.00011.18
5.5.00.0040.00811.18
5.4.450.0200.02015.17
5.4.440.0480.03515.27
5.4.430.0520.03515.43
5.4.420.0200.03215.18
5.4.410.0430.02815.34
5.4.400.0550.02515.08
5.4.390.0370.03015.01
5.4.380.0130.02614.99
5.4.370.0240.02614.99
5.4.360.0310.02914.87
5.4.350.0180.03014.94
5.4.340.0140.03114.97
5.4.330.0040.00711.18
5.4.320.0060.02311.84
5.4.310.0050.02211.83
5.4.300.0050.02411.84
5.4.290.0030.02411.84
5.4.280.0040.02311.79
5.4.270.0060.02511.79
5.4.260.0050.02611.79
5.4.250.0060.02111.79
5.4.240.0070.02411.77
5.4.230.0070.02511.77
5.4.220.0090.02311.77
5.4.210.0080.03111.77
5.4.200.0080.02511.77
5.4.190.0020.02911.77
5.4.180.0070.02311.76
5.4.170.0080.02011.77
5.4.160.0080.02011.77
5.4.150.0100.02211.76
5.4.140.0050.02611.61
5.4.130.0060.02611.60
5.4.120.0040.02311.58
5.4.110.0070.01911.58
5.4.100.0040.02311.58
5.4.90.0070.02011.58
5.4.80.0060.02011.58
5.4.70.0060.02511.58
5.4.60.0070.02511.58
5.4.50.0070.01911.58
5.4.40.0050.02011.57
5.4.30.0040.02911.57
5.4.20.0040.03211.57
5.4.10.0030.02811.57
5.4.00.0090.02111.31
5.3.290.0050.02711.99
5.3.280.0060.02611.94
5.3.270.0030.02511.95
5.3.260.0090.02011.95
5.3.250.0030.02511.95
5.3.240.0070.02411.95
5.3.230.0080.03511.94
5.3.220.0050.02811.93
5.3.210.0090.02611.93
5.3.200.0090.03511.93
5.3.190.0030.02411.93
5.3.180.0040.02111.92
5.3.170.0050.02011.92
5.3.160.0040.02111.93
5.3.150.0040.02411.93
5.3.140.0060.02111.92
5.3.130.0040.02311.92
5.3.120.0040.02411.92
5.3.110.0070.02011.92
5.3.100.0080.01911.65
5.3.90.0040.03211.63
5.3.80.0020.02411.63
5.3.70.0060.02811.63
5.3.60.0060.02711.62
5.3.50.0100.02511.59
5.3.40.0050.03611.59
5.3.30.0040.03011.56
5.3.20.0060.02911.45
5.3.10.0040.03211.44
5.3.00.0050.03111.43
5.2.170.0020.02910.18
5.2.160.0030.02610.18
5.2.150.0020.02810.18
5.2.140.0040.02710.18
5.2.130.0040.02110.16
5.2.120.0070.01410.16
5.2.110.0050.01910.16
5.2.100.0050.01710.16
5.2.90.0060.01710.16
5.2.80.0030.01710.16
5.2.70.0050.01810.15
5.2.60.0050.02010.13
5.2.50.0040.02210.12
5.2.40.0020.02010.11
5.2.30.0060.01910.09
5.2.20.0050.01610.09
5.2.10.0030.01610.05
5.2.00.0020.0209.97
5.1.60.0040.0149.62
5.1.50.0040.0159.61
5.1.40.0020.0169.61
5.1.30.0050.0139.78
5.1.20.0040.0169.79
5.1.10.0040.0149.66
5.1.00.0060.0139.65
5.0.50.0040.0128.89
5.0.40.0030.0108.82
5.0.30.0030.0178.73
5.0.20.0020.0128.71
5.0.10.0040.0118.70
5.0.00.0030.0188.70
4.4.90.0020.0087.98
4.4.80.0030.0137.96
4.4.70.0020.0137.97
4.4.60.0020.0127.96
4.4.50.0030.0127.97
4.4.40.0020.0187.94
4.4.30.0040.0077.97
4.4.20.0020.0138.01
4.4.10.0020.0118.01
4.4.00.0020.0207.96
4.3.110.0020.0137.92
4.3.100.0030.0087.92
4.3.90.0020.0097.91
4.3.80.0040.0137.88
4.3.70.0030.0097.90
4.3.60.0030.0097.90
4.3.50.0040.0077.90
4.3.40.0020.0147.86
4.3.30.0020.0117.23
4.3.20.0010.0107.22
4.3.10.0010.0127.20
4.3.00.0110.00712.16

preferences:
61.24 ms | 400 KiB | 5 Q