3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { public $headers = [5]; public function test() { try { return 1; } finally { $this->headers = []; } } } $foo = new foo(); var_dump($foo->headers); var_dump($foo->test()); var_dump($foo->headers);

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)
8.3.60.0140.00018.68
8.3.50.0100.01018.44
8.3.40.0110.00418.57
8.3.30.0090.00619.22
8.3.20.0000.00820.34
8.3.10.0040.00420.29
8.3.00.0080.00019.13
8.2.180.0100.01018.29
8.2.170.0110.00422.96
8.2.160.0070.00720.53
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0080.00019.54
8.2.110.0030.00622.30
8.2.100.0080.00318.03
8.2.90.0000.00819.14
8.2.80.0040.00417.97
8.2.70.0080.00017.38
8.2.60.0070.00317.80
8.2.50.0100.00318.07
8.2.40.0040.00417.92
8.2.30.0040.00417.91
8.2.20.0040.00417.68
8.2.10.0040.00417.95
8.2.00.0040.00417.62
8.1.270.0030.00623.80
8.1.260.0050.00326.35
8.1.250.0050.00328.09
8.1.240.0060.00322.04
8.1.230.0040.00819.26
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0040.00417.23
8.1.190.0030.00617.36
8.1.180.0080.00018.10
8.1.170.0040.00418.50
8.1.160.0000.00721.95
8.1.150.0040.00418.89
8.1.140.0050.00217.39
8.1.130.0000.00717.70
8.1.120.0070.00017.43
8.1.110.0030.00617.42
8.1.100.0000.00817.38
8.1.90.0000.00817.41
8.1.80.0070.00017.38
8.1.70.0040.00417.25
8.1.60.0000.01117.51
8.1.50.0040.00417.41
8.1.40.0040.00417.50
8.1.30.0080.00017.48
8.1.20.0040.00417.56
8.1.10.0030.00517.52
8.1.00.0000.00717.42
8.0.300.0050.00218.77
8.0.290.0040.00416.63
8.0.280.0040.00418.35
8.0.270.0050.00317.10
8.0.260.0050.00217.10
8.0.250.0030.00316.89
8.0.240.0060.00016.91
8.0.230.0040.00416.91
8.0.220.0000.00816.84
8.0.210.0000.00716.87
8.0.200.0070.00016.92
8.0.190.0060.00316.89
8.0.180.0040.00416.86
8.0.170.0000.00916.84
8.0.160.0000.00816.81
8.0.150.0070.00016.66
8.0.140.0070.00016.80
8.0.130.0000.00613.25
8.0.120.0040.00416.82
8.0.110.0040.00416.83
8.0.100.0030.00516.80
8.0.90.0000.00816.75
8.0.80.0070.01016.88
8.0.70.0000.00716.80
8.0.60.0070.00016.66
8.0.50.0030.00516.83
8.0.30.0120.01117.19
8.0.20.0090.00917.40
8.0.10.0070.00016.95
8.0.00.0090.01016.70
7.4.330.0020.00215.00
7.4.320.0000.00716.46
7.4.300.0040.00416.52
7.4.290.0000.00816.62
7.4.280.0050.00316.57
7.4.270.0000.00616.58
7.4.260.0030.00316.58
7.4.250.0000.00816.37
7.4.240.0000.00816.57
7.4.230.0030.00316.53
7.4.220.0100.01016.58
7.4.210.0120.00316.46
7.4.200.0040.00416.38
7.4.160.0100.00716.35
7.4.150.0030.01317.40
7.4.140.0120.00817.86
7.4.130.0100.01016.44
7.4.120.0080.01116.51
7.4.110.0100.01016.34
7.4.100.0090.00916.53
7.4.90.0100.00716.48
7.4.80.0120.00619.39
7.4.70.0110.00716.50
7.4.60.0100.00716.42
7.4.50.0060.00316.41
7.4.40.0070.01016.62
7.4.30.0110.01116.59
7.4.00.0070.00714.69
7.3.330.0020.00213.31
7.3.320.0000.00613.12
7.3.310.0030.00316.32
7.3.300.0070.00016.20
7.3.290.0120.00616.20
7.3.280.0110.00616.33
7.3.270.0120.00617.40
7.3.260.0070.01016.67
7.3.250.0110.00616.46
7.3.240.0090.00916.46
7.3.230.0130.00316.39
7.3.210.0080.00816.59
7.3.200.0080.01319.39
7.3.190.0150.00616.66
7.3.180.0040.01216.27
7.3.170.0090.00916.56
7.3.160.0060.01016.50
7.3.10.0130.00316.14
7.3.00.0050.00716.51
7.2.330.0110.00716.73
7.2.320.0090.00816.65
7.2.310.0000.01716.82
7.2.300.0100.00716.66
7.2.290.0090.01316.46
7.2.130.0100.00516.62
7.2.120.0070.00916.48
7.2.110.0090.00716.81
7.2.100.0110.00616.58
7.2.90.0100.01116.80
7.2.80.0130.00616.38
7.2.70.0080.00916.61
7.2.60.0050.00916.72
7.2.50.0110.01016.71
7.2.40.0130.00316.51
7.2.30.0070.01216.72
7.2.20.0090.00616.53
7.2.10.0150.00716.67
7.2.00.0130.00517.42
7.1.250.0050.00815.53
7.1.240.0070.00715.52
7.1.230.0030.00715.71
7.1.220.0040.00715.52
7.1.210.0040.01115.64
7.1.200.0020.00915.58
7.1.190.0070.01015.55
7.1.180.0000.01515.58
7.1.170.0000.00915.58
7.1.160.0030.00715.47
7.1.150.0000.01115.50
7.1.140.0100.00315.53
7.1.130.0000.01015.75
7.1.120.0080.00315.85
7.1.110.0070.00315.55
7.1.100.0040.00916.84
7.1.90.0090.00615.74
7.1.80.0140.00015.84
7.1.70.0040.00416.50
7.1.60.0070.01017.54
7.1.50.0090.01016.27
7.1.40.0070.00715.71
7.1.30.0070.00715.75
7.1.20.0080.00315.84
7.1.10.0090.00315.75
7.1.00.0020.04518.99
7.0.330.0030.00915.39
7.0.320.0090.00315.38
7.0.310.0140.00415.13
7.0.300.0050.00515.25
7.0.290.0060.00315.48
7.0.280.0000.00915.44
7.0.270.0030.01015.43
7.0.260.0070.00315.12
7.0.250.0090.00315.37
7.0.240.0000.00814.88
7.0.230.0000.00915.13
7.0.220.0000.00915.47
7.0.210.0100.00315.19
7.0.200.0000.00716.05
7.0.190.0060.00315.13
7.0.180.0030.00515.23
7.0.170.0100.00315.27
7.0.160.0000.01015.58
7.0.150.0030.00615.46
7.0.140.0070.04018.65
7.0.130.0040.00415.08
7.0.120.0140.00315.43
7.0.110.0000.00815.16
7.0.100.0100.00015.38
7.0.90.0080.00415.63
7.0.80.0060.00615.45
7.0.70.0030.00915.42
7.0.60.0040.02417.67
7.0.50.0050.04416.51
7.0.40.0050.04616.85
7.0.30.0320.03516.95
7.0.20.0250.04216.71
7.0.10.0100.03516.64
7.0.00.0100.04216.73
5.6.380.0030.01314.47
5.6.370.0000.00914.25
5.6.360.0100.00014.11
5.6.350.0040.00414.37
5.6.340.0070.00714.32
5.6.330.0060.00614.37
5.6.320.0030.01014.45
5.6.310.0040.00714.50
5.6.300.0050.00514.16
5.6.290.0000.00814.54
5.6.280.0000.04517.79
5.6.270.0070.00314.71
5.6.260.0040.00814.21
5.6.250.0070.00314.59
5.6.240.0000.00914.45
5.6.230.0040.00714.44
5.6.220.0080.00014.20
5.6.210.0050.04617.30
5.6.200.0100.02516.33
5.6.190.0030.02617.58
5.6.180.0280.04017.39
5.6.170.0230.02717.51
5.6.160.0080.02017.47
5.6.150.0090.03416.19
5.6.140.0050.03016.33
5.6.130.0070.04016.40
5.6.120.0030.02317.59
5.6.110.0070.04917.54
5.6.100.0080.04217.82
5.6.90.0060.03317.89
5.6.80.0080.03817.35
5.6.70.0030.00614.28
5.6.60.0060.00914.34
5.6.50.0030.00714.05
5.6.40.0080.00414.16
5.6.30.0000.00814.26
5.6.20.0040.00714.32
5.6.10.0060.00914.31
5.6.00.0040.01114.28
5.5.380.0060.00613.11
5.5.370.0060.00613.11
5.5.360.0060.00313.11
5.5.350.0070.03916.77
5.5.340.0050.02715.53
5.5.330.0000.02516.79
5.5.320.0180.01716.72
5.5.310.0220.03316.72
5.5.300.0070.02715.53
5.5.290.0070.04215.52
5.5.280.0030.03916.97
5.5.270.0100.02516.87
5.5.260.0040.04216.98
5.5.250.0040.02616.78
5.5.240.0110.02016.69
5.5.230.0050.00713.11
5.5.220.0030.00313.11
5.5.210.0030.00913.11
5.5.200.0060.00613.11
5.5.190.0060.00613.11
5.5.180.0090.00313.11
5.5.170.0060.00313.11
5.5.160.0000.01113.11
5.5.150.0030.00313.11
5.5.140.0000.00613.11
5.5.130.0060.00313.11
5.5.120.0030.01013.11
5.5.110.0060.00313.11
5.5.100.0070.00313.11
5.5.90.0100.00013.11
5.5.80.0060.00013.11
5.5.70.0040.00413.11
5.5.60.0140.00413.11
5.5.50.0030.00913.11
5.5.40.0030.00313.11
5.5.30.0030.00613.11
5.5.20.0030.00613.11
5.5.10.0080.00413.11
5.5.00.0040.00413.11
5.4.450.0470.03216.21
5.4.440.0440.03016.32
5.4.430.0520.03416.36
5.4.420.0370.00216.37
5.4.410.0350.00316.21
5.4.400.0330.00216.01
5.4.390.0350.00216.09
5.4.380.0350.00016.06
5.4.370.0360.00016.16
5.4.360.0320.00216.11
5.4.350.0350.00516.12
5.4.340.0430.00516.12
5.4.330.0100.00013.11
5.4.320.0060.01812.81
5.4.310.0060.02212.81
5.4.300.0040.02212.81
5.4.290.0060.02112.81
5.4.280.0080.01812.76
5.4.270.0100.01712.76
5.4.260.0080.02012.76
5.4.250.0040.02112.76
5.4.240.0030.02212.76
5.4.230.0010.02412.75
5.4.220.0090.02012.75
5.4.210.0020.02212.75
5.4.200.0070.01912.75
5.4.190.0040.02212.75
5.4.180.0020.02312.75
5.4.170.0050.02412.76
5.4.160.0040.02112.75
5.4.150.0070.02312.75
5.4.140.0040.02112.60
5.4.130.0050.02212.59
5.4.120.0060.02112.57
5.4.110.0030.02612.57
5.4.100.0060.02112.57
5.4.90.0030.02212.57
5.4.80.0070.02012.57
5.4.70.0080.02212.57
5.4.60.0050.02712.57
5.4.50.0060.02612.57
5.4.40.0050.01912.56
5.4.30.0060.01812.56
5.4.20.0060.02012.55
5.4.10.0070.02112.56
5.4.00.0060.02012.30
5.3.290.0040.02612.95
5.3.280.0050.02212.91
5.3.270.0080.02412.91
5.3.260.0080.02012.91
5.3.250.0050.02012.91
5.3.240.0060.02112.91
5.3.230.0050.02212.91
5.3.220.0060.02012.89
5.3.210.0020.02512.89
5.3.200.0050.02212.89
5.3.190.0030.02312.89
5.3.180.0020.02412.89
5.3.170.0030.02012.89
5.3.160.0060.01812.89
5.3.150.0070.01912.89
5.3.140.0070.01812.88
5.3.130.0020.02212.88
5.3.120.0050.02012.88
5.3.110.0050.02212.88
5.3.100.0080.01812.61
5.3.90.0070.01912.60
5.3.80.0020.02512.60
5.3.70.0070.02312.60
5.3.60.0020.02412.59
5.3.50.0040.02212.56
5.3.40.0040.02412.56
5.3.30.0070.01912.54
5.3.20.0030.02212.43
5.3.10.0080.01512.42
5.3.00.0040.03112.41
5.2.170.0050.01811.16
5.2.160.0010.01811.16
5.2.150.0050.02511.16
5.2.140.0040.01811.16
5.2.130.0060.01511.14
5.2.120.0060.01411.14
5.2.110.0050.01711.14
5.2.100.0050.01511.14
5.2.90.0020.01911.14
5.2.80.0050.01611.14
5.2.70.0040.01811.14
5.2.60.0070.01611.12
5.2.50.0040.01811.10
5.2.40.0060.01411.09
5.2.30.0020.02011.07
5.2.20.0050.01411.07
5.2.10.0060.01711.02
5.2.00.0040.01810.95
5.1.60.0020.01410.60
5.1.50.0050.01310.59
5.1.40.0050.01410.58
5.1.30.0070.01310.76
5.1.20.0060.01310.77
5.1.10.0040.01410.63
5.1.00.0010.01710.63
5.0.50.0020.0169.87
5.0.40.0050.0109.80
5.0.30.0040.0169.71
5.0.20.0020.0139.69
5.0.10.0030.0119.68
5.0.00.0030.0179.68
4.4.90.0010.0118.94
4.4.80.0010.0108.93
4.4.70.0040.0078.93
4.4.60.0010.0118.93
4.4.50.0030.0098.94
4.4.40.0030.0158.90
4.4.30.0060.0108.93
4.4.20.0020.0118.98
4.4.10.0030.0118.98
4.4.00.0030.0138.93
4.3.110.0050.0108.89
4.3.100.0020.0118.88
4.3.90.0060.0088.87
4.3.80.0020.0158.84
4.3.70.0020.0098.87
4.3.60.0050.0078.87
4.3.50.0010.0118.87
4.3.40.0030.0178.82
4.3.30.0040.0108.20
4.3.20.0040.0088.19
4.3.10.0030.0118.17
4.3.00.0030.00814.80

preferences:
67.03 ms | 400 KiB | 5 Q