3v4l.org

run code in 300+ PHP versions simultaneously
<?php class x { public function __construct() { $x =& $this; $x = new stdClass; echo 'inside: '; var_dump($this); } } echo 'outside: '; var_dump(new x);

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)
8.3.40.0150.00018.79
8.3.30.0000.01518.70
8.3.20.0040.00418.74
8.3.10.0060.00320.41
8.3.00.0080.00317.75
8.2.170.0100.00322.96
8.2.160.0040.01122.31
8.2.150.0000.00724.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0080.00019.76
8.2.110.0030.00620.86
8.2.100.0040.00817.91
8.2.90.0050.00319.09
8.2.80.0000.00818.03
8.2.70.0060.00317.50
8.2.60.0000.00817.80
8.2.50.0080.00018.07
8.2.40.0030.00518.22
8.2.30.0060.00319.67
8.2.20.0080.00017.60
8.2.10.0060.00317.65
8.2.00.0070.00417.54
8.1.270.0050.00223.99
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0030.00622.47
8.1.230.0110.00020.97
8.1.220.0000.00818.77
8.1.210.0070.00418.77
8.1.200.0030.00617.13
8.1.190.0000.00717.18
8.1.180.0050.00318.10
8.1.170.0050.00318.76
8.1.160.0040.00418.88
8.1.150.0000.00718.48
8.1.140.0070.00017.42
8.1.130.0000.00717.69
8.1.120.0050.00317.29
8.1.110.0070.00017.38
8.1.100.0060.00317.38
8.1.90.0000.00717.31
8.1.80.0000.00717.24
8.1.70.0070.00017.36
8.1.60.0040.00417.59
8.1.50.0000.00717.50
8.1.40.0000.00717.50
8.1.30.0040.00417.53
8.1.20.0030.00517.57
8.1.10.0040.00417.48
8.1.00.0040.00417.52
8.0.300.0040.00419.98
8.0.290.0070.00016.88
8.0.280.0040.00418.45
8.0.270.0000.00717.18
8.0.260.0070.00018.61
8.0.250.0040.00416.95
8.0.240.0040.00416.94
8.0.230.0040.00416.85
8.0.220.0100.00016.73
8.0.210.0000.00716.87
8.0.200.0030.00316.75
8.0.190.0080.00016.84
8.0.180.0070.00016.75
8.0.170.0000.00816.82
8.0.160.0000.00816.84
8.0.150.0000.00816.68
8.0.140.0030.00916.79
8.0.130.0030.00313.20
8.0.120.0070.00016.67
8.0.110.0040.00416.77
8.0.100.0040.00416.72
8.0.90.0000.00716.67
8.0.80.0030.01216.85
8.0.70.0040.00416.89
8.0.60.0050.00216.87
8.0.50.0040.00416.70
8.0.30.0090.01117.16
8.0.20.0120.00717.40
8.0.10.0040.00416.89
8.0.00.0110.01016.72
7.4.330.0050.00014.71
7.4.320.0000.00716.55
7.4.300.0030.00316.55
7.4.290.0030.00316.64
7.4.280.0000.00816.57
7.4.270.0030.00316.59
7.4.260.0030.00313.31
7.4.250.0040.00416.45
7.4.240.0080.00016.39
7.4.230.0030.00316.46
7.4.220.0070.01016.45
7.4.210.0070.00716.59
7.4.200.0000.00716.48
7.4.190.0050.00216.66
7.4.160.0130.00316.41
7.4.150.0090.01217.40
7.4.140.0100.00717.17
7.4.130.0110.00616.47
7.4.120.0110.00816.55
7.4.110.0100.00716.51
7.4.100.0040.01916.47
7.4.90.0060.01216.45
7.4.80.0100.00719.03
7.4.70.0100.01016.38
7.4.60.0000.02116.57
7.4.50.0000.00516.52
7.4.40.0100.00322.27
7.4.30.0080.01016.38
7.4.10.0060.01315.11
7.4.00.0070.01014.85
7.3.330.0000.00513.20
7.3.320.0050.00013.29
7.3.310.0030.00316.28
7.3.300.0030.00316.16
7.3.290.0040.01116.24
7.3.280.0080.00916.25
7.3.270.0030.01417.40
7.3.260.0060.01118.24
7.3.250.0180.00016.53
7.3.240.0070.01016.52
7.3.230.0100.00616.39
7.3.210.0100.00616.42
7.3.200.0120.00919.39
7.3.190.0030.01316.42
7.3.180.0130.00316.29
7.3.170.0100.01016.27
7.3.160.0070.01116.36
7.3.130.0070.01314.66
7.3.120.0070.00814.82
7.3.110.0070.01014.46
7.3.100.0030.00914.69
7.3.90.0090.00314.96
7.3.80.0070.00314.62
7.3.70.0060.00914.71
7.3.60.0120.00614.76
7.3.50.0040.01214.59
7.3.40.0060.00614.59
7.3.30.0070.00714.74
7.3.20.0060.00616.50
7.3.10.0040.00916.66
7.3.00.0040.00916.43
7.2.330.0200.00716.36
7.2.320.0130.01016.28
7.2.310.0060.01216.70
7.2.300.0150.00616.39
7.2.290.0000.01616.53
7.2.260.0130.00715.12
7.2.250.0100.01014.79
7.2.240.0120.00315.06
7.2.230.0070.00714.95
7.2.220.0090.00615.15
7.2.210.0030.00914.86
7.2.200.0120.00315.00
7.2.190.0090.00614.82
7.2.180.0120.00414.98
7.2.170.0030.01414.68
7.2.160.0000.01614.91
7.2.150.0060.00916.71
7.2.140.0070.01116.66
7.2.130.0070.00816.71
7.2.120.0040.00916.76
7.2.110.0050.00916.68
7.2.100.0030.01216.86
7.2.90.0070.00416.99
7.2.80.0060.00916.92
7.2.70.0060.00916.83
7.2.60.0080.00716.87
7.2.50.0030.01116.74
7.2.40.0060.00716.64
7.2.30.0060.00816.74
7.2.20.0030.01016.91
7.2.10.0030.00916.76
7.2.00.0080.00617.68
7.1.330.0000.01415.91
7.1.320.0060.00915.77
7.1.310.0080.00515.54
7.1.300.0030.01315.83
7.1.290.0160.00015.48
7.1.280.0060.00615.68
7.1.270.0030.01015.59
7.1.260.0150.00015.80
7.1.250.0030.00715.57
7.1.240.0030.01315.82
7.1.230.0100.00715.48
7.1.220.0030.01415.52
7.1.210.0000.01415.82
7.1.200.0070.00815.62
7.1.190.0070.01015.69
7.1.180.0000.01215.86
7.1.170.0160.00015.48
7.1.160.0110.00315.76
7.1.150.0070.00715.37
7.1.140.0000.01015.77
7.1.130.0120.00315.86
7.1.120.0100.01015.93
7.1.110.0160.00315.72
7.1.100.0110.00415.59
7.1.90.0040.01115.90
7.1.80.0000.01415.72
7.1.70.0040.00716.37
7.1.60.0080.00917.56
7.1.50.0030.00816.32
7.1.40.0110.00415.67
7.1.30.0040.00815.73
7.1.20.0040.00715.77
7.1.10.0030.01015.38
7.1.00.0060.02519.10
7.0.330.0000.00915.53
7.0.320.0070.01015.15
7.0.310.0000.01315.26
7.0.300.0060.00615.09
7.0.290.0060.00615.40
7.0.280.0000.01315.42
7.0.270.0000.01415.23
7.0.260.0060.01215.20
7.0.250.0120.00615.19
7.0.240.0120.00315.47
7.0.230.0040.00415.34
7.0.220.0130.00315.61
7.0.210.0150.00015.29
7.0.200.0050.00416.08
7.0.190.0140.00015.17
7.0.180.0030.00615.50
7.0.170.0040.00815.32
7.0.160.0080.00415.37
7.0.150.0070.00715.35
7.0.140.0030.04018.68
7.0.130.0070.00715.50
7.0.120.0050.00315.38
7.0.110.0030.01015.27
7.0.100.0030.01015.30
7.0.90.0060.00615.45
7.0.80.0050.00315.22
7.0.70.0000.00915.45
7.0.60.0110.03817.69
7.0.50.0070.03816.73
7.0.40.0120.04716.82
7.0.30.0150.04316.82
7.0.20.0120.04816.82
7.0.10.0070.05516.97
7.0.00.0110.02816.81
5.6.400.0030.01314.04
5.6.390.0030.01314.54
5.6.380.0060.00614.27
5.6.370.0000.00914.33
5.6.360.0060.00314.20
5.6.350.0060.00914.33
5.6.340.0000.01514.54
5.6.330.0040.00913.99
5.6.320.0090.00314.09
5.6.310.0000.01614.48
5.6.300.0030.01314.19
5.6.290.0030.00714.50
5.6.280.0050.04017.65
5.6.270.0000.01114.35
5.6.260.0090.00314.04
5.6.250.0030.01214.51
5.6.240.0030.01314.32
5.6.230.0090.00014.36
5.6.220.0060.00614.48
5.6.210.0120.04117.38
5.6.200.0080.04016.20
5.6.190.0160.03817.36
5.6.180.0170.04317.40
5.6.170.0130.04517.26
5.6.160.0200.04017.30
5.6.150.0150.03617.25
5.6.140.0120.04917.11
5.6.130.0150.04117.31
5.6.120.0100.05117.19
5.6.110.0220.03817.30
5.6.100.0100.02517.51
5.6.90.0100.05217.21
5.6.80.0150.04116.85
5.6.70.0090.02517.01
5.6.60.0150.04116.87
5.6.50.0170.03916.90
5.6.40.0150.04516.91
5.6.30.0100.04216.96
5.6.20.0160.03316.97
5.6.10.0120.04016.81
5.6.00.0120.03916.95
5.5.380.0070.00713.96
5.5.370.0030.01014.52
5.5.360.0050.00514.29
5.5.350.2150.02317.19
5.5.340.0080.04316.21
5.5.330.0100.03617.39
5.5.320.0150.04317.22
5.5.310.0130.04617.42
5.5.300.0120.03116.98
5.5.290.0120.03117.22
5.5.280.0160.03117.09
5.5.270.0130.03916.99
5.5.260.0130.04517.08
5.5.250.0100.03216.97
5.5.240.0130.03816.77
5.5.230.0140.04616.89
5.5.220.0100.02916.94
5.5.210.0200.03916.99
5.5.200.0120.03317.03
5.5.190.0100.02916.94
5.5.180.0230.03316.72
5.5.170.0050.01414.40
5.5.160.0130.04416.79
5.5.150.0130.05016.84
5.5.140.0130.03116.89
5.5.130.0160.03516.73
5.5.120.0190.03816.86
5.5.110.0100.04016.62
5.5.100.0220.03716.72
5.5.90.0150.04216.92
5.5.80.0180.04016.90
5.5.70.0150.03916.79
5.5.60.0150.04016.87
5.5.50.0060.02916.85
5.5.40.0150.04016.81
5.5.30.0130.02216.78
5.5.20.0120.02216.72
5.5.10.0120.02516.75
5.5.00.0120.02016.56
5.4.450.0170.03915.94
5.4.440.0160.03816.02
5.4.430.0100.02715.86
5.4.420.0120.02516.02
5.4.410.0160.02316.00
5.4.400.0130.02315.82
5.4.390.0100.02715.76
5.4.380.0120.02115.71
5.4.370.0150.03715.71
5.4.360.0120.02915.71
5.4.350.0130.03715.86
5.4.340.0130.03815.86
5.4.330.0070.00712.57
5.4.320.0160.03215.91
5.4.310.0180.03215.72
5.4.300.0120.02715.86
5.4.290.0140.03915.77
5.4.280.0160.04015.91
5.4.270.0120.02815.86
5.4.260.0160.02815.84
5.4.250.0170.03415.72
5.4.240.0100.02215.91
5.4.230.0190.01815.90
5.4.220.0150.03215.88
5.4.210.0170.03715.72
5.4.200.0120.04015.86
5.4.190.0090.03115.90
5.4.180.0170.01715.72
5.4.170.0080.02215.86
5.4.160.0080.02315.89
5.4.150.0080.02115.87
5.4.140.0070.02314.45
5.4.130.0120.02214.44
5.4.120.0120.01514.46
5.4.110.0100.01814.52
5.4.100.0070.02314.50
5.4.90.0070.02214.43
5.4.80.0100.02414.63
5.4.70.0110.01814.48
5.4.60.0160.01814.48
5.4.50.0080.02014.48
5.4.40.0130.01614.48
5.4.30.0070.02414.49
5.4.20.0050.02514.51
5.4.10.0100.02014.42
5.4.00.0100.02014.16
5.3.290.0180.03013.59
5.3.280.0120.02213.58
5.3.270.0100.02213.60
5.3.260.0080.02213.59
5.3.250.0110.02013.61
5.3.240.0090.02413.61
5.3.230.0100.01913.58
5.3.220.0110.01713.60
5.3.210.0080.02213.59
5.3.200.0090.02013.59
5.3.190.0100.01913.59
5.3.180.0140.01513.58
5.3.170.0060.02113.57
5.3.160.0100.01913.52
5.3.150.0080.02313.56
5.3.140.0100.02013.56
5.3.130.0120.01913.57
5.3.120.0080.02313.58
5.3.110.0080.02313.57
5.3.100.0080.02213.24
5.3.90.0070.02013.33
5.3.80.0080.02113.28
5.3.70.0070.02413.32
5.3.60.0060.02313.30
5.3.50.0100.02013.29
5.3.40.0120.02213.29
5.3.30.0070.02013.24
5.3.20.0070.02013.13
5.3.10.0150.03513.14
5.3.00.0120.03513.09
5.2.170.0070.03312.21
5.2.160.0030.03712.21
5.2.150.0100.03012.21
5.2.140.0170.02312.21
5.2.130.0030.03312.21
5.2.120.0070.03012.21
5.2.110.0200.04312.21
5.2.100.0170.05712.21
5.2.90.0200.05012.21
5.2.80.0200.05712.21
5.2.70.0170.06712.21
5.2.60.0170.06312.21
5.2.50.0200.06312.21
5.2.40.0070.03312.21
5.2.30.0130.02712.21
5.2.20.0100.04312.21
5.2.10.0170.06012.21
5.2.00.0200.05712.21
5.1.60.0100.05012.21
5.1.50.0100.04312.21
5.1.40.0130.05712.21
5.1.30.0200.05012.21
5.1.20.0170.03712.21
5.1.10.0100.03712.21
5.1.00.0130.02712.21
5.0.50.0100.04312.21
5.0.40.0070.04312.21
5.0.30.0030.06712.21
5.0.20.0070.03012.21
5.0.10.0070.04312.21
5.0.00.0100.06312.21
4.4.90.0100.03312.21
4.4.80.0070.01712.21
4.4.70.0070.02012.21
4.4.60.0070.02312.21
4.4.50.0070.03012.21
4.4.40.0130.04712.21
4.4.30.0100.02712.21
4.4.20.0030.03012.21
4.4.10.0030.01712.21
4.4.00.0070.05712.21
4.3.110.0100.03312.21
4.3.100.0100.02012.21
4.3.90.0070.01312.21
4.3.80.0130.04712.21
4.3.70.0030.01712.21
4.3.60.0030.01712.21
4.3.50.0070.03712.21
4.3.40.0030.05312.21
4.3.30.0070.03712.21
4.3.20.0070.03012.21
4.3.10.0000.04012.21
4.3.00.0070.03712.21

preferences:
47.65 ms | 400 KiB | 5 Q