3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public static function deleteMe(&$obj) { var_dump($GLOBALS); unset($obj); } } class Bar extends Foo { public function __construct() { $foo = new Foo(); var_dump($foo); Foo::deleteMe($foo); var_dump($foo); } } $bar = new Bar();

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)
8.3.40.0140.00018.60
8.3.30.0110.00418.89
8.3.20.0040.00420.34
8.3.10.0000.00822.04
8.3.00.0050.00322.40
8.2.170.0070.00722.96
8.2.160.0110.00319.22
8.2.150.0050.00324.18
8.2.140.0040.00724.66
8.2.130.0110.00426.16
8.2.120.0040.00419.54
8.2.110.0000.00922.25
8.2.100.0040.00818.03
8.2.90.0060.00319.23
8.2.80.0050.00318.04
8.2.70.0000.00817.50
8.2.60.0060.00318.04
8.2.50.0050.00318.07
8.2.40.0040.00418.16
8.2.30.0000.00717.99
8.2.20.0000.00717.50
8.2.10.0070.00017.68
8.2.00.0030.00617.62
8.1.270.0030.00622.19
8.1.260.0060.00326.35
8.1.250.0020.00528.09
8.1.240.0070.00323.84
8.1.230.0080.00319.09
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0000.00917.35
8.1.190.0080.00017.38
8.1.180.0000.00920.48
8.1.170.0060.00318.47
8.1.160.0000.00722.01
8.1.150.0070.00018.58
8.1.140.0040.00417.26
8.1.130.0000.00817.79
8.1.120.0030.00617.30
8.1.110.0050.00217.40
8.1.100.0040.00417.44
8.1.90.0000.00817.44
8.1.80.0040.00417.40
8.1.70.0000.00817.38
8.1.60.0030.00617.50
8.1.50.0080.00017.39
8.1.40.0050.00317.54
8.1.30.0050.00317.53
8.1.20.0030.00517.50
8.1.10.0040.00417.61
8.1.00.0060.00317.48
8.0.300.0040.00418.77
8.0.290.0080.00017.16
8.0.280.0040.00418.44
8.0.270.0000.00817.27
8.0.260.0030.00316.83
8.0.250.0030.00317.02
8.0.240.0000.00716.87
8.0.230.0000.00717.01
8.0.220.0000.00716.81
8.0.210.0050.00216.95
8.0.200.0080.00016.98
8.0.190.0030.00516.94
8.0.180.0040.00416.93
8.0.170.0040.00416.93
8.0.160.0000.00916.80
8.0.150.0030.00516.96
8.0.140.0040.00416.88
8.0.130.0050.00313.35
8.0.120.0000.00716.89
8.0.110.0000.00716.90
8.0.100.0060.00316.95
8.0.90.0020.00516.78
8.0.80.0030.01716.80
8.0.70.0040.00416.69
8.0.60.0050.00316.78
8.0.50.0000.00816.84
8.0.30.0090.01116.99
8.0.20.0130.00717.40
8.0.10.0050.00216.98
8.0.00.0160.00716.75
7.4.330.0000.00515.00
7.4.320.0030.00316.61
7.4.300.0030.00316.60
7.4.290.0040.00416.64
7.4.280.0000.00816.60
7.4.270.0000.00716.50
7.4.260.0030.00416.46
7.4.250.0000.00816.45
7.4.240.0040.00416.51
7.4.230.0000.00716.50
7.4.220.0090.01216.45
7.4.210.0090.01116.50
7.4.200.0050.00316.41
7.4.190.0050.00216.73
7.4.160.0080.01116.55
7.4.150.0200.00617.40
7.4.140.0110.00817.86
7.4.130.0090.01116.41
7.4.120.0110.00816.48
7.4.110.0030.01516.54
7.4.100.0070.01816.58
7.4.90.0140.00316.60
7.4.80.0070.01519.39
7.4.70.0110.01116.50
7.4.60.0090.01116.46
7.4.50.0050.00816.31
7.4.40.0090.00719.39
7.4.30.0130.00516.11
7.4.20.0230.00016.14
7.4.10.0160.00716.02
7.4.00.0120.00715.73
7.3.330.0030.00313.01
7.3.320.0000.00513.09
7.3.310.0070.00016.26
7.3.300.0070.00016.11
7.3.290.0030.01016.23
7.3.280.0060.01116.24
7.3.270.0070.01317.40
7.3.260.0200.00716.35
7.3.250.0150.00916.45
7.3.240.0090.01016.28
7.3.230.0080.01016.40
7.3.210.0090.00916.45
7.3.200.0080.01119.39
7.3.190.0130.01116.34
7.3.180.0070.01116.18
7.3.170.0040.01416.31
7.3.160.0070.01115.99
7.3.150.0100.01716.18
7.3.140.0140.01016.34
7.3.130.0110.01316.10
7.3.120.0070.00915.36
7.3.110.0070.01116.20
7.3.100.0000.01816.17
7.3.90.0090.01616.20
7.3.80.0070.01016.12
7.3.70.0190.00016.04
7.3.60.0090.00916.16
7.3.50.0100.00816.17
7.3.40.0110.00816.24
7.3.30.0120.00916.15
7.3.20.0070.01116.08
7.3.10.0120.00616.15
7.3.00.0100.00716.15
7.2.330.0030.01616.80
7.2.320.0110.00616.63
7.2.310.0070.01116.46
7.2.300.0150.00616.44
7.2.290.0090.00916.40
7.2.280.0040.01416.53
7.2.270.0090.01216.48
7.2.260.0130.00616.56
7.2.250.0040.01316.31
7.2.240.0170.00016.59
7.2.230.0060.01216.30
7.2.220.0130.00816.36
7.2.210.0140.00816.45
7.2.200.0130.00716.49
7.2.190.0110.00816.34
7.2.180.0030.01516.32
7.2.170.0160.00816.34
7.2.160.0000.02016.48
7.2.150.0650.00016.48
7.2.140.0110.00816.45
7.2.130.0120.00616.45
7.2.120.0130.00616.50
7.2.110.0110.00716.43
7.2.100.0090.00916.51
7.2.90.0090.01516.43
7.2.80.0160.00616.46
7.2.70.0200.00316.42
7.2.60.0100.00716.63
7.2.50.0130.00616.49
7.2.40.0210.00416.44
7.2.30.0110.01116.50
7.2.20.0140.00716.48
7.2.10.0150.00616.36
7.2.00.0080.00817.80
7.1.330.0120.00415.30
7.1.320.0070.01015.27
7.1.310.0130.00315.25
7.1.300.0130.00515.32
7.1.290.0070.01015.16
7.1.280.0040.01815.15
7.1.270.0110.01115.16
7.1.260.0100.00715.07
7.1.250.0110.00515.38
7.1.240.0100.00715.15
7.1.230.0090.00915.20
7.1.220.0130.00715.30
7.1.210.0180.00615.35
7.1.200.0120.00715.34
7.1.190.0070.01515.22
7.1.180.0040.01515.30
7.1.170.0070.01115.18
7.1.160.0000.01915.42
7.1.150.0140.00715.18
7.1.140.0170.00315.42
7.1.130.0150.00815.17
7.1.120.0090.00915.32
7.1.110.0110.01115.25
7.1.100.0060.00716.71
7.1.90.0180.00615.39
7.1.80.0090.01315.25
7.1.70.0090.00916.26
7.1.60.0150.00617.54
7.1.50.0090.01116.19
7.1.40.0080.01215.40
7.1.30.0090.00915.49
7.1.20.0110.00815.29
7.1.10.0130.00315.56
7.1.00.0200.03018.74
7.0.330.0180.00015.16
7.0.320.0060.00915.13
7.0.310.0110.01114.88
7.0.300.0110.00714.83
7.0.290.0110.00715.19
7.0.280.0100.00714.79
7.0.270.0080.00915.14
7.0.260.0100.01314.91
7.0.250.0130.00815.10
7.0.240.0240.00314.94
7.0.230.0150.00715.11
7.0.220.0140.00515.09
7.0.210.0090.00914.95
7.0.200.0060.01115.85
7.0.190.0030.01315.02
7.0.180.0070.01014.84
7.0.170.0140.00515.01
7.0.160.0000.01615.19
7.0.150.0030.01415.03
7.0.140.0120.03918.44
7.0.130.0090.01114.99
7.0.120.0180.00415.10
7.0.110.0150.00314.97
7.0.100.0170.00414.75
7.0.90.0140.00414.96
7.0.80.0100.01015.09
7.0.70.0090.01515.13
7.0.60.0150.04217.48
7.0.50.0120.04316.45
7.0.40.0170.04317.54
7.0.30.0180.02817.57
7.0.20.0150.04117.50
7.0.10.0080.03317.54
7.0.00.0100.04117.69
5.6.400.0040.01515.71
5.6.390.0060.01215.81
5.6.380.0100.01015.72
5.6.370.0060.01915.80
5.6.360.0140.00615.68
5.6.350.0150.00315.63
5.6.340.0140.00615.71
5.6.330.0140.00615.61
5.6.320.0090.01215.57
5.6.310.0070.01115.66
5.6.300.0090.01215.57
5.6.290.0180.00915.81
5.6.280.0040.04718.23
5.6.270.0060.01515.61
5.6.260.0070.01615.74
5.6.250.0040.01815.35
5.6.240.0210.00415.50
5.6.230.0160.01215.68
5.6.220.0080.01915.63
5.6.210.0140.02318.14
5.6.200.0100.04916.98
5.6.190.0150.02718.04
5.6.180.0150.04718.14
5.6.170.0160.02418.14
5.6.160.0140.04018.05
5.6.150.0090.02816.84
5.6.140.0090.04716.98
5.6.130.0070.03116.96
5.6.120.0090.03218.36
5.6.110.0120.04018.29
5.6.100.0130.04818.35
5.6.90.0170.02618.40
5.6.80.0050.04217.99
5.6.70.0090.01215.63
5.6.60.0130.01015.38
5.6.50.0190.00415.40
5.6.40.0100.01315.60
5.6.30.0120.01215.60
5.6.20.0150.00415.30
5.6.10.0150.01115.58
5.6.00.0100.01315.62
5.5.380.0100.01415.71
5.5.370.0180.00715.57
5.5.360.0040.02215.57
5.5.350.0130.02417.88
5.5.340.0070.03616.84
5.5.330.0100.02217.89
5.5.320.0160.02518.02
5.5.310.0200.02317.90
5.5.300.0100.04816.84
5.5.290.0090.02616.80
5.5.280.0110.04718.28
5.5.270.0120.04018.15
5.5.260.0100.04618.19
5.5.250.0100.03318.00
5.5.240.0090.04217.87
5.5.230.0130.02015.40
5.5.220.0180.00915.73
5.5.210.0140.00815.58
5.5.200.0130.01215.83
5.5.190.0080.01215.64
5.5.180.0120.01215.49
5.5.170.0070.01515.48
5.5.160.0220.00815.37
5.5.150.0120.01215.41
5.5.140.0160.00615.25
5.5.130.0040.02015.60
5.5.120.0210.00515.28
5.5.110.0100.01315.43
5.5.100.0110.01215.57
5.5.90.0180.00915.37
5.5.80.0150.00815.64
5.5.70.0100.01315.61
5.5.60.0230.00015.82
5.5.50.0080.01415.71
5.5.40.0140.00915.58
5.5.30.0030.01615.27
5.5.20.0120.01215.68
5.5.10.0180.00915.48
5.5.00.0130.01715.37
5.4.450.0280.03215.93
5.4.440.0280.02815.77
5.4.430.0300.03215.71
5.4.420.0190.03115.85
5.4.410.0180.03815.84
5.4.400.0300.02915.64
5.4.390.0270.02815.65
5.4.380.0200.02515.75
5.4.370.0240.03715.70
5.4.360.0270.03215.77
5.4.350.0230.02915.63
5.4.340.0220.02615.90
5.4.330.0100.00712.30
5.4.320.0230.03915.47
5.4.310.0220.02715.75
5.4.300.0200.03615.70
5.4.290.0260.03715.71
5.4.280.0220.03015.71
5.4.270.0240.02315.67
5.4.260.0220.02415.81
5.4.250.0280.03215.67
5.4.240.0170.02415.76
5.4.230.0190.02115.77
5.4.220.0250.03615.77
5.4.210.0160.02815.56
5.4.200.0180.02715.81
5.4.190.0230.02115.60
5.4.180.0210.02615.68
5.4.170.0260.03615.81
5.4.160.0280.03515.61
5.4.150.0270.03115.73
5.4.140.0200.03614.43
5.4.130.0260.03014.42
5.4.120.0240.03214.36
5.4.110.0250.03514.57
5.4.100.0240.02414.45
5.4.90.0250.03514.34
5.4.80.0180.03114.26
5.4.70.0190.03514.44
5.4.60.0160.03114.46
5.4.50.0220.03414.34
5.4.40.0210.02614.30
5.4.30.0230.03514.43
5.4.20.0210.02214.53
5.4.10.0250.03014.47
5.4.00.0270.02614.15
5.3.290.0250.03814.06
5.3.280.0250.03813.81
5.3.270.0170.02613.91
5.3.260.0220.02913.90
5.3.250.0250.03813.89
5.3.240.0190.03813.78
5.3.230.0270.03513.93
5.3.220.0200.02613.78
5.3.210.0180.02213.94
5.3.200.0170.02513.74
5.3.190.0210.03313.69
5.3.180.0220.02713.99
5.3.170.0160.04213.90
5.3.160.0270.02313.84
5.3.150.0220.02813.91
5.3.140.0220.02613.84
5.3.130.0230.03813.65
5.3.120.0250.02813.74
5.3.110.0220.02713.79
5.3.100.0250.03213.54
5.3.90.0180.04213.60
5.3.80.0240.03713.52
5.3.70.0250.03613.45
5.3.60.0200.03313.70
5.3.50.0240.03513.41
5.3.40.0210.02913.59
5.3.30.0300.03013.49
5.3.20.0220.02713.38
5.3.10.0220.02113.38
5.3.00.0210.03913.43
5.2.170.0160.02712.21
5.2.160.0220.03012.29
5.2.150.0260.02212.21
5.2.140.0170.02012.24
5.2.130.0170.03212.18
5.2.120.0250.02012.19
5.2.110.0190.02712.20
5.2.100.0230.02712.26
5.2.90.0180.03112.23
5.2.80.0190.03312.34
5.2.70.0190.02612.38
5.2.60.0200.01512.35
5.2.50.0150.03412.35
5.2.40.0180.02412.45
5.2.30.0240.01812.44
5.2.20.0160.01912.41
5.2.10.0160.03412.39
5.2.00.0170.01812.32
5.1.60.0140.01612.13
5.1.50.0160.01611.97
5.1.40.0160.01212.03
5.1.30.0190.02812.11
5.1.20.0130.02312.19
5.1.10.0120.02312.17
5.1.00.0170.01812.06
5.0.50.0110.02111.63
5.0.40.0120.02211.60
5.0.30.0120.02911.60
5.0.20.0120.02511.60
5.0.10.0160.02011.60
5.0.00.0120.03211.60
4.4.90.0070.02011.60
4.4.80.0070.01311.60
4.4.70.0140.00711.60
4.4.60.0050.01711.60
4.4.50.0080.01211.60
4.4.40.0090.02311.60
4.4.30.0070.02011.60
4.4.20.0120.01711.60
4.4.10.0070.01611.60
4.4.00.0120.01011.60
4.3.110.0080.01311.60
4.3.100.0070.01311.60
4.3.90.0080.01211.60
4.3.80.0070.01911.60
4.3.70.0050.01311.60
4.3.60.0110.01511.60
4.3.50.0130.01511.60
4.3.40.0130.02511.60
4.3.30.0050.01311.60
4.3.20.0030.02011.60
4.3.10.0060.01011.60
4.3.00.0060.01011.60

preferences:
44.75 ms | 400 KiB | 5 Q