3v4l.org

run code in 300+ PHP versions simultaneously
<?php class bad { private $_private = array(); public function __construct() { $this->_private[] = 'oh noes'; } public function __destruct() { //echo "bad::destructor\n"; global $bar; $bar = $this->_private; } } $foo = new stdclass; $foo->foo = $foo; $foo->bad = new bad; print_r($foo); gc_disable(); $bar = new stdclass; $bar->foo = $bar; $bar->bad = new bad; gc_collect_cycles();

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)
8.3.60.0070.01416.88
8.3.50.0070.00922.11
8.3.40.0110.00318.63
8.3.30.0120.00319.09
8.3.20.0040.00420.30
8.3.10.0050.00323.70
8.3.00.0000.00820.88
8.2.180.0070.01416.38
8.2.170.0040.01122.96
8.2.160.0100.00320.47
8.2.150.0000.00724.18
8.2.140.0040.00424.66
8.2.130.0100.00326.16
8.2.120.0140.00321.01
8.2.110.0030.00622.11
8.2.100.0080.00318.22
8.2.90.0040.00419.16
8.2.80.0040.00417.97
8.2.70.0000.00817.50
8.2.60.0040.00417.92
8.2.50.0090.00018.07
8.2.40.0030.00717.97
8.2.30.0000.00818.23
8.2.20.0040.00417.53
8.2.10.0040.00418.05
8.2.00.0040.00419.37
8.1.280.0150.00425.92
8.1.270.0040.00422.19
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.00822.13
8.1.230.0040.00819.02
8.1.220.0050.00317.79
8.1.210.0040.00418.77
8.1.200.0030.00717.23
8.1.190.0040.00417.25
8.1.180.0050.00318.10
8.1.170.0040.00418.51
8.1.160.0070.00021.85
8.1.150.0080.00018.48
8.1.140.0000.00717.36
8.1.130.0000.00717.78
8.1.120.0000.00717.41
8.1.110.0060.00317.46
8.1.100.0000.00717.33
8.1.90.0040.00317.45
8.1.80.0040.00417.28
8.1.70.0040.00417.35
8.1.60.0030.00617.48
8.1.50.0030.00517.54
8.1.40.0090.00017.46
8.1.30.0040.00417.65
8.1.20.0040.00417.69
8.1.10.0080.00017.56
8.1.00.0000.00717.36
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0000.00718.38
8.0.270.0040.00417.19
8.0.260.0030.00317.12
8.0.250.0030.00316.77
8.0.240.0000.00716.89
8.0.230.0030.00316.89
8.0.220.0000.00716.83
8.0.210.0030.00316.71
8.0.200.0030.00316.78
8.0.190.0050.00316.87
8.0.180.0040.00416.91
8.0.170.0050.00216.74
8.0.160.0040.00416.72
8.0.150.0070.00016.81
8.0.140.0040.00416.77
8.0.130.0000.00613.25
8.0.120.0020.00516.85
8.0.110.0050.00316.80
8.0.100.0000.00716.71
8.0.90.0040.00416.85
8.0.80.0090.01216.79
8.0.70.0080.00016.85
8.0.60.0050.00216.81
8.0.50.0080.00016.65
8.0.30.0100.01417.12
8.0.20.0040.01517.40
8.0.10.0070.00016.79
8.0.00.0100.00916.71
7.4.330.0060.00015.07
7.4.320.0000.00616.43
7.4.300.0070.00016.49
7.4.290.0000.00716.51
7.4.280.0050.00316.39
7.4.270.0070.00016.49
7.4.260.0000.00816.57
7.4.250.0040.00416.56
7.4.240.0040.00416.53
7.4.230.0030.00316.51
7.4.220.0060.01816.58
7.4.210.0090.00616.56
7.4.200.0030.00516.58
7.4.160.0080.00816.41
7.4.150.0110.00717.40
7.4.140.0050.01317.86
7.4.130.0070.01116.46
7.4.120.0090.00816.36
7.4.110.0050.01116.45
7.4.100.0100.00716.35
7.4.90.0070.01016.59
7.4.80.0060.01519.39
7.4.70.0160.00316.54
7.4.60.0140.00416.47
7.4.50.0000.00716.59
7.4.40.0030.01416.49
7.4.30.0140.00316.59
7.4.00.0040.01215.14
7.3.330.0060.00013.33
7.3.320.0030.00313.30
7.3.310.0000.00716.28
7.3.300.0030.00316.24
7.3.290.0110.00716.27
7.3.280.0080.01016.26
7.3.270.0060.01617.40
7.3.260.0120.01216.36
7.3.250.0100.00616.28
7.3.240.0070.01016.53
7.3.230.0100.00616.39
7.3.210.0140.00316.46
7.3.200.0100.00719.39
7.3.190.0100.01016.20
7.3.180.0060.00916.62
7.3.170.0130.00316.38
7.3.160.0030.01316.23
7.3.120.0070.00714.68
7.3.00.0060.00616.63
7.2.330.0030.01316.81
7.2.320.0170.00916.69
7.2.310.0100.00716.74
7.2.300.0080.00816.55
7.2.290.0080.01416.79
7.2.130.0080.00616.57
7.2.120.0120.00317.02
7.2.110.0070.00716.58
7.2.100.0060.00916.82
7.2.90.0000.01416.92
7.2.80.0120.00316.56
7.2.70.0100.00717.00
7.2.60.0100.00716.79
7.2.50.0000.00916.86
7.2.40.0030.01117.02
7.2.30.0050.00516.59
7.2.20.0090.00016.83
7.2.10.0040.00816.53
7.2.00.0050.00618.24
7.1.250.0060.00315.96
7.1.240.0030.01015.77
7.1.230.0040.00715.66
7.1.220.0090.00015.66
7.1.210.0030.01015.72
7.1.200.0100.00315.48
7.1.190.0050.00515.90
7.1.180.0040.01115.92
7.1.170.0070.00715.84
7.1.160.0070.00715.64
7.1.150.0070.00715.62
7.1.140.0130.00015.57
7.1.130.0040.00815.78
7.1.120.0100.00715.77
7.1.110.0030.00615.96
7.1.100.0050.00716.87
7.1.90.0030.01415.36
7.1.80.0100.00715.64
7.1.70.0050.00816.49
7.1.60.0100.00917.72
7.1.50.0070.01116.31
7.1.40.0110.00015.74
7.1.30.0060.00915.69
7.1.20.0000.01415.46
7.1.10.0030.00915.77
7.1.00.0070.04019.16
7.0.330.0000.01115.50
7.0.320.0100.00715.18
7.0.310.0060.00915.50
7.0.300.0100.00015.39
7.0.290.0060.00315.57
7.0.280.0030.01015.18
7.0.270.0100.00315.16
7.0.260.0060.00615.47
7.0.250.0060.00915.22
7.0.240.0060.00715.45
7.0.230.0080.00815.57
7.0.220.0040.01115.35
7.0.210.0100.00615.46
7.0.200.0050.01116.14
7.0.190.0080.00815.27
7.0.180.0040.01215.54
7.0.170.0060.00915.37
7.0.160.0030.01015.30
7.0.150.0030.00615.22
7.0.140.0040.03718.80
7.0.130.0030.00915.27
7.0.120.0030.00715.32
7.0.110.0030.00915.10
7.0.100.0070.00715.43
7.0.90.0000.00915.36
7.0.80.0060.00315.17
7.0.70.0040.00415.40
7.0.60.0050.02317.67
7.0.50.0050.03716.77
7.0.40.0060.04516.94
7.0.30.0130.02416.68
7.0.20.0240.03516.76
7.0.10.0170.02316.70
7.0.00.0070.04316.79
5.6.380.0000.01414.86
5.6.370.0120.00014.55
5.6.360.0140.00314.24
5.6.350.0110.00414.74
5.6.340.0000.01514.77
5.6.330.0000.01314.47
5.6.320.0080.00414.62
5.6.310.0120.00614.15
5.6.300.0090.00314.45
5.6.290.0040.00714.44
5.6.280.0080.03717.76
5.6.270.0060.00614.63
5.6.260.0100.00714.34
5.6.250.0060.00614.60
5.6.240.0040.00414.54
5.6.230.0030.01014.59
5.6.220.0100.00314.38
5.6.210.0080.03817.45
5.6.200.0100.03216.41
5.6.190.0070.05117.59
5.6.180.0060.02617.62
5.6.170.0140.02217.57
5.6.160.0030.04417.28
5.6.150.0070.03016.36
5.6.140.0100.02216.24
5.6.130.0050.04916.31
5.6.120.0080.03817.78
5.6.110.0100.03917.63
5.6.100.0050.04717.71
5.6.90.0080.05117.74
5.6.80.0020.03717.55
5.6.70.0190.01517.35
5.6.60.0090.00614.52
5.6.50.0070.00714.32
5.6.40.0000.01514.28
5.6.30.0070.00714.26
5.6.20.0060.00614.43
5.6.10.0100.00014.45
5.6.00.0140.00014.23
5.5.380.0030.00911.18
5.5.370.0040.00711.18
5.5.360.0080.00011.38
5.5.350.0080.04115.81
5.5.340.0030.03214.61
5.5.330.0060.04515.83
5.5.320.0180.02615.83
5.5.310.0170.02515.76
5.5.300.0100.03814.66
5.5.290.0130.03714.72
5.5.280.0020.03016.19
5.5.270.0090.02015.91
5.5.260.0070.03716.01
5.5.250.0120.04016.00
5.5.240.0080.03115.68
5.5.230.0070.00311.26
5.5.220.0070.00011.27
5.5.210.0030.01211.42
5.5.200.0030.00311.33
5.5.190.0080.00411.18
5.5.180.0070.00411.38
5.5.170.0090.00311.40
5.5.160.0000.01311.38
5.5.150.0000.01011.18
5.5.140.0040.00811.27
5.5.130.0090.00311.18
5.5.120.0070.00411.18
5.5.110.0000.00611.43
5.5.100.0000.01211.18
5.5.90.0030.00911.43
5.5.80.0070.00311.22
5.5.70.0060.00611.18
5.5.60.0000.00811.18
5.5.50.0030.00611.36
5.5.40.0040.00711.32
5.5.30.0030.00611.18
5.5.20.0030.00311.29
5.5.10.0110.00011.18
5.5.00.0060.00611.36
5.4.450.0130.04315.34
5.4.440.0130.02815.17
5.4.430.0070.02715.28
5.4.420.0150.03615.38
5.4.410.0150.03315.38
5.4.400.0100.02315.12
5.4.390.0100.02215.22
5.4.380.0130.02215.08
5.4.370.0150.01615.13
5.4.360.0080.03315.32
5.4.350.0100.02715.18
5.4.340.0150.02615.14
5.4.330.0060.00611.18
5.4.320.0110.02515.20
5.4.310.0130.02015.19
5.4.300.0120.02215.20
5.4.290.0220.03215.20
5.4.280.0080.02415.18
5.4.270.0170.01915.13
5.4.260.0120.02915.21
5.4.250.0120.03815.04
5.4.240.0130.02015.17
5.4.230.0130.02515.19
5.4.220.0170.03415.08
5.4.210.0140.01915.08
5.4.200.0180.01815.11
5.4.190.0150.02215.18
5.4.180.0100.02515.18
5.4.170.0120.03115.19
5.4.160.0160.03014.99
5.4.150.0110.03315.07
5.4.140.0130.01713.79
5.4.130.0080.04213.81
5.4.120.0130.02213.84
5.4.110.0180.03513.86
5.4.100.0180.03213.88
5.4.90.0140.03113.76
5.4.80.0130.03613.81
5.4.70.0130.03613.83
5.4.60.0190.03213.88
5.4.50.0150.02113.84
5.4.40.0110.03713.80
5.4.30.0150.02213.84
5.4.20.0120.02313.86
5.4.10.0110.02113.80
5.4.00.0130.02013.50
5.3.290.0120.02212.98
5.3.280.0150.03712.87
5.3.270.0130.02012.85
5.3.260.0150.02012.88
5.3.250.0110.04113.02
5.3.240.0150.02312.90
5.3.230.0100.02512.95
5.3.220.0070.04012.95
5.3.210.0080.03612.93
5.3.200.0120.03112.83
5.3.190.0100.02312.86
5.3.180.0130.03312.83
5.3.170.0100.02112.82
5.3.160.0130.02512.82
5.3.150.0130.02012.95
5.3.140.0120.02712.85
5.3.130.0120.02212.88
5.3.120.0130.03712.92
5.3.110.0100.02412.82
5.3.100.0180.02012.72
5.3.90.0120.02112.71
5.3.80.0090.02212.55
5.3.70.0030.02312.55
5.3.60.0110.01912.63
5.3.50.0070.02412.53
5.3.40.0110.02112.57
5.3.30.0120.02412.67
5.3.20.0180.03212.46
5.3.10.0120.02212.42
5.3.00.0130.02312.45
5.2.170.0120.01511.12
5.2.160.0070.01711.14
5.2.150.0070.02011.15
5.2.140.0100.02111.21
5.2.130.0100.01811.22
5.2.120.0080.01811.26
5.2.110.0090.01811.19
5.2.100.0080.02011.13
5.2.90.0100.02211.15
5.2.80.0110.01511.14
5.2.70.0130.01811.10
5.2.60.0100.01711.16
5.2.50.0020.02211.06
5.2.40.0220.01911.04
5.2.30.0080.02311.20
5.2.20.0160.02511.07
5.2.10.0100.03311.07
5.2.00.0100.03110.99
5.1.60.0080.03010.67
5.1.50.0110.01910.66
5.1.40.0080.02410.66
5.1.30.0080.01810.74
5.1.20.0070.02010.77
5.1.10.0060.02610.59
5.1.00.0100.02610.58
5.0.50.0050.0149.93
5.0.40.0030.0109.87
5.0.30.0030.0189.75
5.0.20.0030.0139.66
5.0.10.0100.0189.63
5.0.00.0070.0169.75
4.4.90.0040.0089.48
4.4.80.0070.0129.48
4.4.70.0050.0209.48
4.4.60.0050.0159.48
4.4.50.0050.0179.48
4.4.40.0070.0159.48
4.4.30.0080.0149.48
4.4.20.0050.0119.48
4.4.10.0050.0089.48
4.4.00.0090.0269.48
4.3.110.0070.0109.48
4.3.100.0060.0189.48
4.3.90.0050.0159.48
4.3.80.0090.0159.48
4.3.70.0030.0119.48
4.3.60.0070.0089.48
4.3.50.0070.0129.48
4.3.40.0050.0149.48
4.3.30.0050.0089.48
4.3.20.0070.0059.48
4.3.10.0000.0109.48
4.3.00.0030.0109.48

preferences:
89.51 ms | 401 KiB | 5 Q