3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { var $dateTime; var $string; public function __construct() { $this->dateTime = new \DateTime(); $this->string = 'foo'; } public function __clone() { $this->dateTime = clone $this->dateTime; } } $obj1 = new Foo(); $obj2 = clone $obj1; $obj1->string = 'foo bar'; $obj1->dateTime->add(new \DateInterval('P1Y')); var_dump($obj1->dateTime->format('Y-m-d')); var_dump($obj1->string); var_dump($obj2->dateTime->format('Y-m-d')); var_dump($obj2->string);

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)
8.3.70.0120.00918.29
8.3.60.0120.00618.43
8.3.50.0140.00217.47
8.3.40.0090.00618.73
8.3.30.0130.00318.89
8.3.20.0040.00420.18
8.3.10.0040.00421.49
8.3.00.0000.00820.86
8.2.180.0120.00316.63
8.2.170.0090.00622.96
8.2.160.0070.00722.25
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00722.20
8.2.120.0060.00326.35
8.2.110.0050.00520.52
8.2.100.0070.00417.72
8.2.90.0040.00419.02
8.2.80.0000.00817.97
8.2.70.0040.00417.75
8.2.60.0040.00417.93
8.2.50.0030.00518.10
8.2.40.0050.00322.18
8.2.30.0040.00421.09
8.2.20.0050.00218.08
8.2.10.0050.00218.04
8.2.00.0040.00418.05
8.1.280.0110.00725.92
8.1.270.0070.00023.86
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0000.00923.89
8.1.230.0080.00322.29
8.1.220.0040.00417.79
8.1.210.0000.00818.77
8.1.200.0000.00917.60
8.1.190.0050.00317.48
8.1.180.0070.00018.10
8.1.170.0060.00318.66
8.1.160.0040.00419.05
8.1.150.0000.00720.55
8.1.140.0080.00019.53
8.1.130.0000.00719.02
8.1.120.0040.00317.54
8.1.110.0040.00417.57
8.1.100.0080.00017.63
8.1.90.0000.00817.57
8.1.80.0050.00217.57
8.1.70.0000.00717.59
8.1.60.0060.00317.72
8.1.50.0050.00317.60
8.1.40.0040.00417.68
8.1.30.0040.00417.72
8.1.20.0030.00517.76
8.1.10.0060.00317.73
8.1.00.0000.00817.65
8.0.300.0040.00418.77
8.0.290.0060.00316.75
8.0.280.0070.00018.48
8.0.270.0030.00317.27
8.0.260.0030.00316.85
8.0.250.0070.00017.11
8.0.240.0070.00016.99
8.0.230.0070.00017.08
8.0.220.0000.00717.06
8.0.210.0070.00017.04
8.0.200.0070.00016.98
8.0.190.0000.00817.11
8.0.180.0040.00417.08
8.0.170.0000.00717.12
8.0.160.0030.00317.02
8.0.150.0000.00717.12
8.0.140.0000.00717.05
8.0.130.0030.00513.37
8.0.120.0040.00416.97
8.0.110.0000.00816.96
8.0.100.0040.00416.99
8.0.90.0000.00816.94
8.0.80.0090.00617.00
8.0.70.0040.00416.89
8.0.60.0050.00317.07
8.0.50.0040.00417.11
8.0.30.0120.00717.32
8.0.20.0090.01117.40
8.0.10.0040.00417.23
8.0.00.0100.00716.89
7.4.330.0020.00215.55
7.4.320.0060.00016.62
7.4.300.0030.00316.76
7.4.290.0030.00316.68
7.4.280.0000.00816.63
7.4.270.0030.00316.65
7.4.260.0000.00716.64
7.4.250.0000.00716.52
7.4.240.0000.00816.75
7.4.230.0030.00316.57
7.4.220.0130.00616.78
7.4.210.0070.00716.70
7.4.200.0050.00316.76
7.4.160.0080.01016.70
7.4.150.0030.01517.40
7.4.140.0120.00517.86
7.4.130.0130.00616.66
7.4.120.0130.00916.66
7.4.110.0030.01416.67
7.4.100.0170.01016.61
7.4.90.0090.00916.77
7.4.80.0160.00319.39
7.4.70.0130.00316.64
7.4.60.0120.00416.59
7.4.50.0060.00616.74
7.4.40.0060.01116.88
7.4.30.0070.01516.91
7.4.00.0070.01014.99
7.3.330.0000.00813.36
7.3.320.0000.00513.28
7.3.310.0000.00816.36
7.3.300.0040.00416.43
7.3.290.0070.00016.51
7.3.280.0100.00516.44
7.3.270.0140.00317.40
7.3.260.0090.00816.65
7.3.250.0090.01016.65
7.3.240.0120.00616.63
7.3.230.0000.01616.56
7.3.210.0030.01316.60
7.3.200.0100.00716.59
7.3.190.0090.01316.47
7.3.180.0160.00616.66
7.3.170.0060.01016.71
7.3.160.0130.00916.69
7.2.330.0040.01616.84
7.2.320.0100.01316.62
7.2.310.0100.00716.94
7.2.300.0160.00616.39
7.2.290.0180.00016.96
7.2.60.0790.00815.17
7.2.00.0060.00919.61
7.1.200.0030.00915.96
7.1.100.0040.00718.02
7.1.70.0070.00017.34
7.1.60.0370.02033.21
7.1.50.0500.01033.25
7.1.40.0400.01332.65
7.1.30.0430.01732.77
7.1.20.0400.01332.82
7.1.10.0330.01315.00
7.1.00.0700.00715.14
7.0.200.0400.00315.31
7.0.190.0330.00715.12
7.0.180.0270.01314.51
7.0.170.0430.00314.79
7.0.160.0370.01014.60
7.0.150.0300.01314.57
7.0.140.0430.00314.46
7.0.130.0330.00714.77
7.0.120.0330.01014.73
7.0.110.0330.01314.58
7.0.100.0370.00714.83
7.0.90.0330.00714.66
7.0.80.0330.01014.76
7.0.70.0330.01014.79
7.0.60.0000.01314.36
7.0.50.0400.00314.56
7.0.40.0300.01714.89
7.0.30.0430.00314.96
7.0.20.0400.00714.51
7.0.10.0330.01014.69
7.0.00.0370.01014.86

preferences:
37.19 ms | 401 KiB | 5 Q