3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Immutable { private $super_secret = 5; } $immutable = new Immutable(); var_dump($immutable); $immutable = (function () { $this->super_secret = 10; return $this; })->call($immutable); var_dump($immutable);

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)
8.5.10.0130.00516.87
8.5.00.0100.01120.07
8.4.150.0030.00014.05
8.4.140.0170.01317.38
8.4.130.0130.00817.85
8.4.120.0120.00720.95
8.4.110.0100.01022.39
8.4.100.0120.00817.52
8.4.90.0130.00818.70
8.4.80.0030.00617.54
8.4.70.0100.00817.84
8.4.60.0120.00818.49
8.4.50.0060.00517.50
8.4.40.0000.01919.35
8.4.30.0130.00319.56
8.4.20.0100.01017.78
8.4.10.0130.00319.61
8.3.280.0020.00014.05
8.3.270.0120.00716.32
8.3.260.0100.00716.84
8.3.250.0100.01118.96
8.3.240.0070.00816.57
8.3.230.0120.00716.66
8.3.220.0040.00417.31
8.3.210.0100.00916.90
8.3.200.0060.00316.73
8.3.190.0150.00517.19
8.3.180.0110.00816.62
8.3.170.0090.01020.73
8.3.160.0160.00318.41
8.3.150.0040.01520.90
8.3.140.0040.01116.41
8.3.130.0080.00018.20
8.3.120.0000.00718.94
8.3.110.0060.00320.94
8.3.100.0060.00324.06
8.3.90.0030.00626.77
8.3.80.0130.00016.63
8.3.70.0120.00318.51
8.3.60.0140.00016.75
8.3.50.0120.00618.30
8.3.40.0100.00718.76
8.3.30.0040.01118.49
8.3.20.0040.00420.34
8.3.10.0050.00322.04
8.3.00.0000.00723.48
8.2.290.0070.00420.51
8.2.280.0060.00218.87
8.2.270.0100.00017.18
8.2.260.0040.00420.11
8.2.250.0030.00518.46
8.2.240.0120.00317.05
8.2.230.0090.00622.58
8.2.220.0130.00337.54
8.2.210.0050.00326.77
8.2.200.0040.00416.38
8.2.190.0040.01116.58
8.2.180.0100.01316.63
8.2.170.0120.00622.96
8.2.160.0030.01020.39
8.2.150.0060.00325.66
8.2.140.0080.00024.66
8.2.130.0040.00419.10
8.2.120.0080.00026.35
8.2.110.0100.00720.35
8.2.100.0080.00317.72
8.2.90.0080.00319.17
8.2.80.0090.00019.77
8.2.70.0000.00917.63
8.2.60.0050.00318.04
8.2.50.0090.00018.16
8.2.40.0040.00420.64
8.2.30.0040.00419.36
8.2.20.0000.00718.05
8.2.10.0020.00518.01
8.2.00.0000.00718.03
8.1.330.0040.00521.96
8.1.320.0100.00816.16
8.1.310.0150.00316.73
8.1.300.0040.00418.02
8.1.290.0070.00318.88
8.1.280.0110.00425.92
8.1.270.0000.00721.82
8.1.260.0000.00826.35
8.1.250.0000.00828.09
8.1.240.0090.00022.62
8.1.230.0040.00817.55
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0000.00817.36
8.1.180.0060.00318.10
8.1.170.0060.00318.47
8.1.160.0040.00418.88
8.1.150.0030.00620.08
8.1.140.0030.00619.57
8.1.130.0030.00318.88
8.1.120.0030.00617.38
8.1.110.0080.00017.46
8.1.100.0080.00317.35
8.1.90.0050.00317.34
8.1.80.0000.00717.53
8.1.70.0000.00717.36
8.1.60.0000.00717.59
8.1.50.0070.00017.55
8.1.40.0000.00717.45
8.1.30.0050.00317.61
8.1.20.0040.00417.57
8.1.10.0070.00017.51
8.1.00.0030.01017.47
8.0.300.0000.00718.77
8.0.290.0060.00316.63
8.0.280.0050.00218.29
8.0.270.0030.00317.23
8.0.260.0050.00220.16
8.0.250.0000.01016.86
8.0.240.0040.00416.77
8.0.230.0030.00316.94
8.0.220.0030.00316.71
8.0.210.0030.00316.82
8.0.200.0000.00816.95
8.0.190.0070.00016.82
8.0.180.0050.00316.91
8.0.170.0040.00416.97
8.0.160.0030.00416.96
8.0.150.0030.00416.71
8.0.140.0050.00316.85
8.0.130.0060.00013.25
8.0.120.0000.00716.82
8.0.110.0050.00216.76
8.0.100.0040.00416.70
8.0.90.0070.00016.95
8.0.80.0120.00416.90
8.0.70.0040.00416.99
8.0.60.0000.00716.93
8.0.50.0030.00516.78
8.0.30.0130.00617.06
8.0.20.0120.01017.40
8.0.10.0000.00817.06
8.0.00.0110.01116.98
7.4.330.0050.00016.78
7.4.320.0030.00316.51
7.4.300.0000.00716.59
7.4.290.0030.00716.53
7.4.280.0000.00816.59
7.4.270.0040.00416.61
7.4.260.0040.00416.47
7.4.250.0040.00416.47
7.4.240.0040.00416.50
7.4.230.0040.00416.57
7.4.220.0080.01116.57
7.4.210.0040.01216.60
7.4.200.0040.00416.41
7.4.160.0090.00616.54
7.4.150.0140.01117.40
7.4.140.0090.01317.86
7.4.130.0160.00816.44
7.4.120.0110.01216.54
7.4.110.0100.00716.57
7.4.100.0140.00716.47
7.4.90.0090.00916.39
7.4.80.0140.00519.39
7.4.70.0130.00716.43
7.4.60.0100.00716.46
7.4.50.0070.01016.29
7.4.40.0280.01516.53
7.4.30.0110.00516.45
7.4.00.0100.00814.71
7.3.330.0000.00513.24
7.3.320.0030.00313.23
7.3.310.0000.00716.19
7.3.300.0060.00016.25
7.3.290.0070.01116.20
7.3.280.0090.00716.24
7.3.270.0100.00717.40
7.3.260.0090.00916.38
7.3.250.0060.01116.17
7.3.240.0100.00716.18
7.3.230.0080.01116.36
7.3.210.0090.00816.18
7.3.200.0130.00816.34
7.3.190.0000.01516.38
7.3.180.0140.00416.36
7.3.170.0080.00816.34
7.3.160.0150.00316.47
7.3.120.0160.00314.97
7.3.110.0070.01014.57
7.3.100.0030.01014.93
7.3.90.0040.00714.77
7.3.80.0090.00314.69
7.3.70.0060.00814.54
7.3.60.0100.00614.86
7.3.50.0060.00814.67
7.3.40.0030.01614.48
7.3.30.0040.00414.88
7.3.20.0100.00316.52
7.3.10.0040.00816.63
7.3.00.0080.00516.49
7.2.330.0130.00316.64
7.2.320.0100.00716.68
7.2.310.0090.00616.70
7.2.300.0030.01916.61
7.2.290.0100.00516.71
7.2.250.0030.01315.26
7.2.240.0100.01014.84
7.2.230.0130.00715.24
7.2.220.0090.00614.99
7.2.210.0030.01014.82
7.2.200.0080.00815.00
7.2.190.0090.00914.98
7.2.180.0060.00914.91
7.2.170.0080.01115.00
7.2.130.0050.01016.93
7.2.120.0020.01016.77
7.2.110.0080.00516.84
7.2.100.0070.00616.67
7.2.90.0060.00616.68
7.2.80.0060.00916.93
7.2.70.0040.00916.87
7.2.60.0070.00816.76
7.2.50.0090.00716.88
7.2.40.0080.00416.66
7.2.30.0020.00917.01
7.2.20.0080.00416.79
7.2.10.0080.00616.85
7.2.00.0080.00816.55
7.1.330.0080.00615.94
7.1.320.0100.00315.33
7.1.310.0070.00715.80
7.1.300.0040.00815.56
7.1.290.0070.00715.94
7.1.280.0070.00315.75
7.1.270.0070.00715.93
7.1.260.0060.00915.75
7.1.250.0090.00415.69
7.1.200.0070.00715.80
7.1.90.0030.01017.79
7.1.80.0030.01618.05
7.1.70.0030.00917.21
7.1.60.0130.01334.82
7.1.50.0100.02634.43
7.1.40.0210.01434.25
7.1.30.0270.01234.14
7.1.20.0200.01934.41
7.1.10.0030.01416.54
7.1.00.0000.01316.73
7.0.230.0080.00417.95
7.0.220.0040.01517.68
7.0.210.0060.00616.57
7.0.200.0080.00416.63
7.0.190.0070.01016.92
7.0.180.0090.00916.06
7.0.170.0090.00916.33
7.0.160.0030.01016.19
7.0.150.0070.01116.20
7.0.140.0000.01316.43
7.0.130.0060.00616.68
7.0.120.0030.00916.50
7.0.110.0030.01016.22
7.0.100.0000.01316.29
7.0.90.0090.00316.18
7.0.80.0030.00916.23
7.0.70.0060.00616.16
7.0.60.0060.00616.12
7.0.50.0030.00916.17
7.0.40.0000.01216.32
7.0.30.0040.00816.48
7.0.20.0000.01316.31
7.0.10.0000.01216.27
7.0.00.0090.00316.31

preferences:
43.62 ms | 403 KiB | 5 Q