3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { } class Bar extends Foo { public function __construct() { $foo = new Foo(); var_dump($foo); deleteMe($foo); //gc_collect_cycles(); var_dump($foo); } } function deleteMe(&$obj) { $obj = (unset) $obj; } $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)
8.3.60.0070.01318.55
8.3.50.0130.00521.08
8.3.40.0140.00018.76
8.3.30.0160.00318.91
8.3.20.0050.00220.29
8.3.10.0080.00022.08
8.3.00.0050.00322.32
8.2.180.0040.01416.60
8.2.170.0070.00722.96
8.2.160.0070.00718.91
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0080.00019.65
8.2.110.0070.00322.06
8.2.100.0120.00017.78
8.2.90.0030.00617.84
8.2.80.0000.00817.97
8.2.70.0030.00517.50
8.2.60.0050.00317.80
8.2.50.0040.00418.07
8.2.40.0040.00418.09
8.2.30.0040.00417.81
8.2.20.0040.00417.44
8.2.10.0050.00217.61
8.2.00.0030.00517.59
8.1.280.0070.00725.92
8.1.270.0030.00522.09
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0040.00422.29
8.1.230.0040.00820.91
8.1.220.0060.00317.74
8.1.210.0050.00318.80
8.1.200.0030.00617.23
8.1.190.0050.00317.50
8.1.180.0080.00020.23
8.1.170.0040.00418.47
8.1.160.0000.00722.05
8.1.150.0040.00418.47
8.1.140.0000.00717.36
8.1.130.0000.00717.67
8.1.120.0030.00317.31
8.1.110.0000.00817.29
8.1.100.0030.00517.33
8.1.90.0040.00417.32
8.1.80.0040.00317.27
8.1.70.0030.00317.21
8.1.60.0030.00617.43
8.1.50.0000.00717.35
8.1.40.0000.00717.44
8.1.30.0000.00717.53
8.1.20.0000.00817.48
8.1.10.0020.00517.25
8.1.00.0000.00917.34
8.0.300.0050.00319.86
8.0.290.0060.00316.93
8.0.280.0000.00718.26
8.0.270.0080.00017.11
8.0.260.0000.00616.63
8.0.250.0030.00316.92
8.0.240.0080.00016.80
8.0.230.0070.00016.95
8.0.220.0080.00016.86
8.0.210.0070.00016.79
8.0.200.0030.00316.91
8.0.190.0040.00416.89
8.0.180.0040.00416.77
8.0.170.0040.00416.89
8.0.160.0040.00416.80
8.0.150.0000.00716.72
8.0.140.0040.00416.68
8.0.130.0000.00613.25
8.0.120.0000.00716.85
8.0.110.0000.00716.80
8.0.100.0040.00416.81
8.0.90.0000.00716.72
8.0.80.0060.00916.84
8.0.70.0030.00516.73
8.0.60.0050.00216.65
8.0.50.0040.00416.79
8.0.30.0100.00816.91
8.0.20.0120.00517.40
8.0.10.0000.00716.98
8.0.00.0110.00916.65
7.4.330.0050.00016.83
7.4.320.0030.00316.51
7.4.300.0000.00716.53
7.4.290.0040.00416.56
7.4.280.0040.00416.48
7.4.270.0040.00416.46
7.4.260.0000.00816.46
7.4.250.0000.00816.48
7.4.240.0050.00216.60
7.4.230.0060.00016.44
7.4.220.0060.00916.48
7.4.210.0070.01216.55
7.4.200.0030.00316.63
7.4.190.0040.00416.77
7.4.160.0090.00916.58
7.4.150.0100.00717.40
7.4.140.0150.00517.86
7.4.130.0110.00716.64
7.4.120.0050.01316.62
7.4.110.0070.01016.49
7.4.100.0030.01416.49
7.4.90.0100.00716.56
7.4.80.0100.01319.39
7.4.70.0180.00316.53
7.4.60.0090.00916.54
7.4.50.0000.00816.46
7.4.40.0090.00622.77
7.4.30.0060.01016.44
7.4.00.0080.00815.17
7.3.330.0000.00513.19
7.3.320.0050.00013.22
7.3.310.0030.00316.34
7.3.300.0000.00716.43
7.3.290.0070.00716.34
7.3.280.0070.01016.36
7.3.270.0060.00917.40
7.3.260.0110.00616.27
7.3.250.0110.00916.56
7.3.240.0100.00716.35
7.3.230.0080.00916.39
7.3.210.0120.00416.18
7.3.200.0080.00819.39
7.3.190.0030.01416.37
7.3.180.0060.00916.38
7.3.170.0080.01216.41
7.3.160.0030.01316.38
7.3.120.0070.01014.83
7.3.00.0070.00716.47
7.2.330.0070.01116.61
7.2.320.0130.01016.39
7.2.310.0110.00916.46
7.2.300.0100.00616.66
7.2.290.0060.00916.68
7.2.130.0080.00416.57
7.2.120.0060.00616.47
7.2.110.0060.00616.79
7.2.100.0070.01016.75
7.2.90.0090.00616.76
7.2.80.0100.00716.83
7.2.70.0160.00716.84
7.2.60.0050.00916.86
7.2.50.0030.01016.62
7.2.40.0110.00616.89
7.2.30.0110.01116.47
7.2.20.0030.00716.44
7.2.10.0190.00316.58
7.2.00.0070.00717.90
7.1.250.0040.00815.79
7.1.240.0000.01115.31
7.1.230.0150.00615.45
7.1.220.0070.00315.68
7.1.210.0090.00915.54
7.1.200.0070.00515.73
7.1.190.0090.00315.44
7.1.180.0120.00615.66
7.1.170.0030.01015.75
7.1.160.0120.00615.61
7.1.150.0070.00315.71
7.1.140.0080.00615.59
7.1.130.0030.00715.39
7.1.120.0120.00815.50
7.1.110.0100.00715.82
7.1.100.0050.00516.96
7.1.90.0090.00815.63
7.1.80.0030.00715.70
7.1.70.0080.00716.33
7.1.60.0050.01217.78
7.1.50.0110.00516.14
7.1.40.0030.01315.46
7.1.30.0000.01415.56
7.1.20.0090.00615.68
7.1.10.0030.00615.60
7.1.00.0050.02119.03
7.0.330.0000.01015.59
7.0.320.0100.00015.08
7.0.310.0000.00815.22
7.0.300.0000.00714.93
7.0.290.0040.00815.37
7.0.280.0060.01015.15
7.0.270.0070.00715.19
7.0.260.0030.00614.97
7.0.250.0000.01315.27
7.0.240.0070.00315.00
7.0.230.0040.00715.38
7.0.220.0000.01015.01
7.0.210.0060.00615.29
7.0.200.0050.00515.83
7.0.190.0030.00815.13
7.0.180.0070.01014.97
7.0.170.0070.00715.12
7.0.160.0040.00815.34
7.0.150.0140.00315.34
7.0.140.0030.04218.55
7.0.130.0070.00415.29
7.0.120.0060.00615.14
7.0.110.0030.01015.18
7.0.100.0160.00015.06
7.0.90.0090.00014.93
7.0.80.0040.00415.39
7.0.70.0030.01315.41
7.0.60.0070.02417.59
7.0.50.0100.02716.66
7.0.40.0100.04516.55
7.0.30.0170.03316.87
7.0.20.0150.03516.82
7.0.10.0170.03916.70
7.0.00.0050.02316.78
5.6.380.0030.00914.25
5.6.370.0090.00314.16
5.6.360.0070.00714.17
5.6.350.0140.00014.46
5.6.340.0060.00614.45
5.6.330.0030.01214.39
5.6.320.0030.01314.27
5.6.310.0080.00013.96
5.6.300.0030.01414.52
5.6.290.0000.01313.95
5.6.280.0080.03617.52
5.6.270.0060.00614.33
5.6.260.0040.01113.97
5.6.250.0040.01214.17
5.6.240.0070.01013.95
5.6.230.0080.00814.15
5.6.220.0030.01014.22
5.6.210.0070.03017.33
5.6.200.0030.04016.29
5.6.190.0110.04117.38
5.6.180.1870.02517.32
5.6.170.0140.03417.24
5.6.160.0070.02217.31
5.6.150.0110.04216.27
5.6.140.0070.02716.18
5.6.130.0050.04616.15
5.6.120.0030.02617.81
5.6.110.0040.03717.80
5.6.100.0020.04617.70
5.6.90.0050.04517.54
5.6.80.0050.04717.41
5.6.70.0120.01717.16
5.6.60.0070.00414.20
5.6.50.0030.01014.26
5.6.40.0060.00914.30
5.6.30.0000.01414.25
5.6.20.0060.00914.35
5.6.10.0070.00314.10
5.6.00.0060.00614.16
5.5.380.0120.00010.94
5.5.370.0050.00310.89
5.5.360.0040.00411.05
5.5.350.0070.04215.73
5.5.340.0100.03414.47
5.5.330.0030.03415.67
5.5.320.0190.03515.80
5.5.310.0120.03715.61
5.5.300.0050.03814.48
5.5.290.0030.02614.58
5.5.280.0020.04515.88
5.5.270.0080.03215.79
5.5.260.0040.03715.81
5.5.250.0000.02515.79
5.5.240.0060.04115.40
5.5.230.0000.00911.21
5.5.220.0080.00310.84
5.5.210.0040.00411.01
5.5.200.0040.00410.99
5.5.190.0030.00511.12
5.5.180.0040.00410.96
5.5.170.0090.00311.16
5.5.160.0000.01011.07
5.5.150.0030.00710.61
5.5.140.0030.00511.27
5.5.130.0000.00811.14
5.5.120.0100.00011.17
5.5.110.0040.00411.18
5.5.100.0030.00310.71
5.5.90.0050.00510.96
5.5.80.0060.00611.18
5.5.70.0060.00311.05
5.5.60.0000.01111.04
5.5.50.0040.00410.93
5.5.40.0000.01010.82
5.5.30.0000.01011.10
5.5.20.0080.00011.01
5.5.10.0100.00311.20
5.5.00.0030.01011.31
5.4.450.0370.03514.97
5.4.440.0280.02815.09
5.4.430.0430.02815.37
5.4.420.0090.04015.19
5.4.410.0180.03515.06
5.4.400.0500.04014.84
5.4.390.0420.03214.90
5.4.380.0150.03614.65
5.4.370.0090.02914.79
5.4.360.0150.02314.75
5.4.350.0130.02614.78
5.4.340.0080.02714.67
5.4.330.0060.00011.01
5.4.320.0050.02111.70
5.4.310.0070.02811.69
5.4.300.0060.01911.76
5.4.290.0030.02111.79
5.4.280.0020.02311.59
5.4.270.0060.01911.66
5.4.260.0020.04314.99
5.4.250.0080.03914.84
5.4.240.0050.03114.85
5.4.230.0070.02614.98
5.4.220.0120.02515.01
5.4.210.0070.03014.65
5.4.200.0090.03714.75
5.4.190.0100.02814.65
5.4.180.0050.02914.97
5.4.170.0110.02515.12
5.4.160.0030.03114.89
5.4.150.0030.03314.96
5.4.140.0050.02813.70
5.4.130.0060.02813.64
5.4.120.0060.02713.47
5.4.110.0080.02413.67
5.4.100.0070.02513.48
5.4.90.0110.02113.62
5.4.80.0100.02313.65
5.4.70.0030.03313.62
5.4.60.0120.02713.50
5.4.50.0120.02513.59
5.4.40.0100.02213.72
5.4.30.0030.03913.68
5.4.20.0090.02913.72
5.4.10.0070.03013.80
5.4.00.0050.03213.47
5.3.290.0060.02111.59
5.3.280.0060.03112.63
5.3.270.0070.02712.57
5.3.260.0050.03212.59
5.3.250.0070.02712.48
5.3.240.0070.02812.49
5.3.230.0030.03112.59
5.3.220.0080.02312.44
5.3.210.0030.03912.62
5.3.200.0040.03712.54
5.3.190.0050.03712.67
5.3.180.0020.03212.73
5.3.170.0020.04212.56
5.3.160.0100.02512.53
5.3.150.0030.02812.54
5.3.140.0110.02312.39
5.3.130.0020.03212.65
5.3.120.0050.03212.42
5.3.110.0030.03012.44
5.3.100.0050.04012.26
5.3.90.0020.02712.23
5.3.80.0060.02612.18
5.3.70.0050.02612.29
5.3.60.0050.02512.17
5.3.50.0020.03112.27
5.3.40.0070.02712.23
5.3.30.0070.03112.24
5.3.20.0120.01812.17
5.3.10.0020.02911.91
5.3.00.0080.02611.87
5.2.170.0070.02810.55
5.2.160.0060.02910.64
5.2.150.0030.02510.59
5.2.140.0020.02310.68
5.2.130.0000.02610.62
5.2.120.0060.02510.61
5.2.110.0030.03010.55
5.2.100.0050.02410.61
5.2.90.0050.02610.62
5.2.80.0060.02210.61
5.2.70.0030.02410.60
5.2.60.0070.02910.53
5.2.50.0070.02210.64
5.2.40.0060.02510.63
5.2.30.0020.03210.42
5.2.20.0140.03010.45
5.2.10.0020.03310.44
5.2.00.0040.02510.43
5.1.60.0100.0229.98
5.1.50.0020.02010.00
5.1.40.0020.02110.00
5.1.30.0010.02110.17
5.1.20.0050.02010.24
5.1.10.0080.01510.01
5.1.00.0030.0199.98
5.0.50.0030.0159.33
5.0.40.0050.0139.27
5.0.30.0050.0279.12
5.0.20.0030.0169.16
5.0.10.0030.0169.12
5.0.00.0060.0189.12
4.4.90.0070.0139.12
4.4.80.0030.0109.12
4.4.70.0030.0139.12
4.4.60.0020.0149.12
4.4.50.0020.0149.12
4.4.40.0070.0189.12
4.4.30.0030.0109.12
4.4.20.0020.0169.12
4.4.10.0030.0149.12
4.4.00.0060.0169.12
4.3.110.0000.0149.12
4.3.100.0010.0139.12
4.3.90.0030.0169.12
4.3.80.0000.0199.12
4.3.70.0000.0169.12
4.3.60.0020.0129.12
4.3.50.0020.0139.12
4.3.40.0010.0189.12
4.3.30.0050.0139.12
4.3.20.0020.0159.12
4.3.10.0040.0099.12
4.3.00.0050.0148.55

preferences:
46.67 ms | 401 KiB | 5 Q