3v4l.org

run code in 300+ PHP versions simultaneously
<?php class MyClass { public $public = true; private $private = true; } $tester = new MyClass(); echo isset( $tester->public ); echo isset( $tester->$private ); echo isset( $tester->$qwery );

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)
8.3.60.0150.00616.63
8.3.50.0090.00921.99
8.3.40.0070.00718.71
8.3.30.0110.00419.09
8.3.20.0080.00020.21
8.3.10.0040.00421.73
8.3.00.0040.00422.46
8.2.180.0090.00918.27
8.2.170.0070.01422.96
8.2.160.0100.00322.13
8.2.150.0090.00025.66
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0050.00319.76
8.2.110.0090.00020.37
8.2.100.0110.00018.03
8.2.90.0000.00819.19
8.2.80.0050.00317.97
8.2.70.0060.00317.63
8.2.60.0030.00517.80
8.2.50.0080.00018.07
8.2.40.0000.00719.15
8.2.30.0050.00217.91
8.2.20.0030.00517.81
8.2.10.0030.00518.00
8.2.00.0040.00418.06
8.1.280.0090.00625.92
8.1.270.0060.00320.34
8.1.260.0070.00026.35
8.1.250.0150.00428.09
8.1.240.0030.00723.71
8.1.230.0110.00019.02
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0030.00717.22
8.1.190.0050.00217.23
8.1.180.0040.00418.10
8.1.170.0000.01218.29
8.1.160.0040.00421.91
8.1.150.0000.00718.90
8.1.140.0080.00017.37
8.1.130.0040.00417.64
8.1.120.0000.00717.43
8.1.110.0070.00017.41
8.1.100.0040.00417.45
8.1.90.0040.00417.48
8.1.80.0000.00717.47
8.1.70.0080.00317.34
8.1.60.0000.00717.57
8.1.50.0090.00017.45
8.1.40.0030.00617.52
8.1.30.0000.01017.65
8.1.20.0060.00317.57
8.1.10.0040.00417.60
8.1.00.0000.00717.52
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0050.00318.50
8.0.270.0030.00317.11
8.0.260.0030.00317.26
8.0.250.0040.00416.90
8.0.240.0020.00516.86
8.0.230.0000.00716.95
8.0.220.0000.00716.88
8.0.210.0070.00016.99
8.0.200.0000.00616.88
8.0.190.0040.00417.05
8.0.180.0070.00017.02
8.0.170.0040.00416.95
8.0.160.0050.00216.86
8.0.150.0070.00016.91
8.0.140.0000.00816.91
8.0.130.0000.00613.36
8.0.120.0080.00016.90
8.0.110.0000.00716.86
8.0.100.0000.00716.97
8.0.90.0040.00417.02
8.0.80.0080.01216.98
8.0.70.0040.00416.77
8.0.60.0000.00816.83
8.0.50.0040.00416.88
8.0.30.0110.00817.02
8.0.20.0080.01017.40
8.0.10.0040.00417.15
8.0.00.0060.01016.94
7.4.330.0050.00015.04
7.4.320.0030.00316.58
7.4.300.0030.00316.54
7.4.290.0030.00316.58
7.4.280.0030.00316.53
7.4.270.0030.00316.46
7.4.260.0040.00416.54
7.4.250.0040.00416.31
7.4.240.0040.00316.51
7.4.230.0050.00216.59
7.4.220.0070.01316.57
7.4.210.0060.00916.48
7.4.200.0030.00316.64
7.4.160.0040.01116.23
7.4.150.0080.00917.40
7.4.140.0070.01117.86
7.4.130.0170.00516.53
7.4.120.0140.00516.46
7.4.110.0080.00816.47
7.4.100.0110.00716.50
7.4.90.0100.00716.45
7.4.80.0040.01419.39
7.4.70.0100.00716.44
7.4.60.0060.00916.47
7.4.50.0030.00616.48
7.4.40.0150.00316.52
7.4.30.0110.00616.60
7.4.00.0050.01114.91
7.3.330.0000.00513.28
7.3.320.0000.00513.36
7.3.310.0030.00416.19
7.3.300.0000.00716.30
7.3.290.0000.00716.27
7.3.280.0110.00716.26
7.3.270.0080.00817.40
7.3.260.0100.00716.64
7.3.250.0090.01216.37
7.3.240.0100.00716.30
7.3.230.0050.01416.54
7.3.210.0070.01716.25
7.3.200.0100.00719.39
7.3.190.0120.00616.32
7.3.180.0110.00616.36
7.3.170.0070.01416.37
7.3.160.0040.01116.32
7.3.120.0040.01414.77
7.3.110.0100.00714.93
7.3.100.0040.00814.33
7.3.90.0000.01414.98
7.3.80.0080.00414.72
7.3.70.0080.00514.79
7.3.60.0060.00614.80
7.3.50.0080.00814.58
7.3.40.0150.00014.82
7.3.30.0030.01014.59
7.3.20.0060.00316.58
7.3.10.0050.00816.64
7.3.00.0030.01016.60
7.2.330.0080.00816.35
7.2.320.0220.00416.39
7.2.310.0070.01016.32
7.2.300.0030.02216.27
7.2.290.0090.01216.71
7.2.250.0170.00714.88
7.2.240.0070.01314.95
7.2.230.0060.00914.85
7.2.220.0050.00515.00
7.2.210.0090.00614.89
7.2.200.0030.01315.14
7.2.190.0070.01014.86
7.2.180.0040.01414.98
7.2.170.0140.00015.09
7.2.60.0030.01316.95
7.2.00.0080.00319.34
7.1.330.0070.01015.77
7.1.320.0070.00715.66
7.1.310.0120.00315.77
7.1.300.0070.00715.81
7.1.290.0040.01415.54
7.1.280.0030.00915.68
7.1.270.0070.00715.73
7.1.260.0080.00415.58
7.1.200.0060.00615.72
7.1.100.0060.00618.02
7.1.70.0000.01016.90
7.1.60.0120.01219.59
7.1.50.0140.01116.84
7.1.00.0100.07022.45
7.0.200.3630.00714.58
7.0.60.0030.06019.94
7.0.50.0130.07717.88
7.0.40.0000.06020.16
7.0.30.0630.07020.20
7.0.20.0370.07320.10
7.0.10.0300.07320.08
7.0.00.0100.05020.34
5.6.280.0100.06320.78
5.6.210.0130.07020.47
5.6.200.0070.05018.13
5.6.190.0070.07020.48
5.6.180.4170.04020.55
5.6.170.0370.06320.39
5.6.160.0000.05020.57
5.6.150.0130.06318.17
5.6.140.0070.03718.19
5.6.130.0030.04318.18
5.6.120.0070.08021.03
5.6.110.0130.07320.89
5.6.100.0070.05320.98
5.6.90.0070.04320.96
5.6.80.0030.05020.38
5.6.70.0230.08020.53
5.5.350.0230.07020.45
5.5.340.0170.07317.99
5.5.330.0030.08020.27
5.5.320.0530.06320.35
5.5.310.0330.07020.26
5.5.300.0070.08018.02
5.5.290.0030.08317.98
5.5.280.0070.09020.88
5.5.270.0100.08320.71
5.5.260.0070.08320.95
5.5.250.0030.08320.68
5.5.240.0300.07320.16
5.4.450.0630.06319.17
5.4.440.0300.04719.36
5.4.430.0230.06019.36
5.4.420.0230.06319.27
5.4.410.0300.05319.19
5.4.400.0200.05319.30
5.4.390.0430.05719.30
5.4.380.0230.07319.22
5.4.370.0300.06319.22
5.4.360.0330.06019.10
5.4.350.0370.04019.14
5.4.340.0070.06019.04
5.4.320.0270.04719.04
5.4.310.0130.05719.17
5.4.300.0130.05319.21
5.4.290.0130.05319.19
5.4.280.0200.05019.30
5.4.270.0130.05318.90
5.4.260.0230.04318.88
5.4.250.0170.06019.21
5.4.240.0200.05319.18
5.4.230.0230.05018.89
5.4.220.0170.05718.87
5.4.210.0200.05019.09
5.4.200.0300.06316.63
5.4.190.0170.05719.19
5.4.180.0200.05319.05
5.4.170.0300.04318.97
5.4.160.0130.05318.87
5.4.150.0170.05019.04
5.4.140.0130.05316.47
5.4.130.0130.05016.46
5.4.120.0270.03716.40
5.4.110.0300.03316.39
5.4.100.0130.05716.31
5.4.90.0130.05316.23
5.4.80.0230.04716.59
5.4.70.0070.05716.43
5.4.60.0100.06016.64
5.4.50.0230.04316.29
5.4.40.0170.06316.20
5.4.30.0370.05316.43
5.4.20.0230.04716.52
5.4.10.0270.04016.19
5.4.00.0130.05315.74
5.3.290.0270.04314.71
5.3.280.0130.05714.50
5.3.270.0030.06314.70
5.3.260.0130.06014.64
5.3.250.0200.04714.62
5.3.240.0130.05314.63
5.3.230.0130.06014.54
5.3.220.0230.04714.71
5.3.210.0130.06014.63
5.3.200.0070.06014.48
5.3.190.0100.06314.55
5.3.180.0270.04014.45
5.3.170.0200.06714.70
5.3.160.0170.05014.45
5.3.150.0170.05714.55
5.3.140.0130.05314.46
5.3.130.0200.06014.44
5.3.120.0100.07014.64
5.3.110.0100.06014.57
5.3.100.0330.06714.01
5.3.90.0170.05713.93
5.3.80.0170.06714.15
5.3.70.0130.05313.84
5.3.60.0170.07013.91
5.3.50.0230.04313.94
5.3.40.0030.06313.85
5.3.30.0100.05313.86
5.3.20.0130.05013.62
5.3.10.0300.04313.79
5.3.00.0100.05313.55
5.2.170.0170.05010.96
5.2.160.0130.04311.07
5.2.150.0130.04311.07
5.2.140.0130.04011.24
5.2.130.0100.04311.27
5.2.120.0100.04311.02
5.2.110.0200.03311.05
5.2.100.0130.03711.08
5.2.90.0100.04311.09
5.2.80.0130.04311.22
5.2.70.0130.04311.02
5.2.60.0070.04711.03
5.2.50.0200.03011.07
5.2.40.0070.04010.96
5.2.30.0070.04310.92
5.2.20.0130.03310.89
5.2.10.0070.04710.88
5.2.00.0070.04010.64
5.1.60.0200.0239.84
5.1.50.0070.03710.12
5.1.40.0070.03710.09
5.1.30.0100.03710.28
5.1.20.0070.04010.25
5.1.10.0270.02010.15
5.1.00.0200.04010.05
5.0.50.0000.0338.64
5.0.40.0070.0278.50
5.0.30.0070.0438.14
5.0.20.0130.0208.09
5.0.10.0070.0278.10
5.0.00.0030.0438.30
4.4.90.0130.0135.89
4.4.80.0030.0235.90
4.4.70.0070.0305.89
4.4.60.0070.0205.87
4.4.50.0070.0205.74
4.4.40.0000.0405.89
4.4.30.0030.0275.86
4.4.20.0030.0235.83
4.4.10.0070.0205.92
4.4.00.0070.0335.87
4.3.110.0100.0175.77
4.3.100.0100.0175.77
4.3.90.0030.0205.81
4.3.80.0100.0305.67
4.3.70.0000.0275.68
4.3.60.0070.0205.79
4.3.50.0100.0175.77
4.3.40.0070.0305.79
4.3.30.0030.0234.55
4.3.20.0030.0234.52
4.3.10.0000.0274.37
4.3.00.0100.0207.41

preferences:
57.93 ms | 401 KiB | 5 Q