3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A {}; $a = new A; $b = $a; $c = &$a; $c = new stdClass; var_dump($a, spl_object_hash($a)); var_dump($b, spl_object_hash($b)); var_dump($c, spl_object_hash($c));

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)
8.3.60.0090.00616.50
8.3.50.0070.00716.23
8.3.40.0110.01118.77
8.3.30.0120.00318.46
8.3.20.0040.00420.26
8.3.10.0000.00821.78
8.3.00.0080.00017.67
8.2.180.0070.00716.63
8.2.170.0110.00722.96
8.2.160.0100.00321.08
8.2.150.0070.00024.18
8.2.140.0000.00824.66
8.2.130.0040.00420.52
8.2.120.0030.00626.35
8.2.110.0060.00320.38
8.2.100.0090.00317.59
8.2.90.0040.00417.63
8.2.80.0040.00418.77
8.2.70.0060.00317.63
8.2.60.0030.00517.50
8.2.50.0000.00717.63
8.2.40.0000.00819.19
8.2.30.0000.00919.11
8.2.20.0040.00417.97
8.2.10.0000.00718.05
8.2.00.0000.00718.07
8.1.280.0070.00725.92
8.1.270.0150.00023.83
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0060.00323.84
8.1.230.0060.00623.86
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0030.00617.10
8.1.180.0030.00518.10
8.1.170.0030.00617.62
8.1.160.0000.00718.81
8.1.150.0070.00019.98
8.1.140.0000.00819.50
8.1.130.0000.00719.11
8.1.120.0070.00017.45
8.1.110.0040.00417.36
8.1.100.0000.00717.24
8.1.90.0040.00417.39
8.1.80.0040.00417.42
8.1.70.0040.00417.26
8.1.60.0000.00817.39
8.1.50.0040.00417.34
8.1.40.0030.00517.43
8.1.30.0080.00017.55
8.1.20.0000.00717.64
8.1.10.0090.00017.57
8.1.00.0060.00617.41
8.0.300.0040.00418.77
8.0.290.0070.00016.63
8.0.280.0070.00018.37
8.0.270.0000.00816.61
8.0.260.0030.00318.87
8.0.250.0060.00016.79
8.0.240.0000.00716.75
8.0.230.0040.00416.79
8.0.220.0000.00716.81
8.0.210.0030.00316.75
8.0.200.0040.00416.76
8.0.190.0040.00716.97
8.0.180.0000.00716.77
8.0.170.0040.00416.90
8.0.160.0000.01016.85
8.0.150.0040.00416.75
8.0.140.0040.00416.73
8.0.130.0030.00313.35
8.0.120.0030.00616.66
8.0.110.0040.00416.77
8.0.100.0030.00516.70
8.0.90.0040.00416.60
8.0.80.0110.00516.79
8.0.70.0040.00416.92
8.0.60.0000.00716.64
8.0.50.0070.00016.77
8.0.30.0160.00017.14
8.0.20.0120.00817.40
8.0.10.0070.00017.00
8.0.00.0140.00616.51
7.4.330.0030.00315.55
7.4.320.0030.00316.45
7.4.300.0030.00316.28
7.4.290.0030.00316.54
7.4.280.0070.00016.42
7.4.270.0030.00316.44
7.4.260.0050.00316.43
7.4.250.0070.00016.50
7.4.240.0040.00416.34
7.4.230.0070.00016.41
7.4.220.0160.01716.55
7.4.210.0060.01416.48
7.4.200.0030.00416.53
7.4.160.0080.00916.31
7.4.150.0080.01117.40
7.4.140.0100.01017.86
7.4.130.0080.01116.38
7.4.120.0110.01116.38
7.4.110.0040.01316.49
7.4.100.0120.00616.30
7.4.90.0260.00016.52
7.4.80.0130.00419.39
7.4.70.0110.00616.20
7.4.60.0030.01616.34
7.4.50.0040.01116.34
7.4.40.0060.00916.41
7.4.30.0070.01116.38
7.4.00.0100.00514.88
7.3.330.0000.00513.09
7.3.320.0030.00313.09
7.3.310.0030.00316.13
7.3.300.0000.00716.23
7.3.290.0070.00016.04
7.3.280.0090.01016.24
7.3.270.0170.00317.40
7.3.260.0100.01116.21
7.3.250.0090.00916.32
7.3.240.0100.01016.22
7.3.230.0080.01616.43
7.3.210.0110.00716.45
7.3.200.0110.00916.24
7.3.190.0060.00916.48
7.3.180.0100.00716.19
7.3.170.0080.00816.26
7.3.160.0100.00616.30
7.3.120.0070.01114.64
7.3.110.0070.01014.82
7.3.100.0040.00814.86
7.3.90.0030.01314.63
7.3.80.0000.01214.45
7.3.70.0000.00914.52
7.3.60.0000.01514.67
7.3.50.0040.01214.59
7.3.40.0040.01214.59
7.3.30.0120.00314.65
7.3.20.0000.01216.65
7.3.10.0040.00916.50
7.3.00.0040.00916.53
7.2.330.0150.00316.64
7.2.320.0140.00316.58
7.2.310.0070.01016.20
7.2.300.0160.00416.46
7.2.290.0060.01216.32
7.2.250.0060.01014.76
7.2.240.0070.01114.56
7.2.230.0060.00915.08
7.2.220.0030.01014.73
7.2.210.0030.01014.73
7.2.200.0030.01515.00
7.2.190.0030.01314.87
7.2.180.0060.00614.85
7.2.170.0000.01714.85
7.2.130.0110.00016.72
7.2.120.0050.00516.75
7.2.110.0030.00916.83
7.2.100.0060.00616.87
7.2.90.0060.00617.01
7.2.80.0000.01316.98
7.2.70.0000.01616.84
7.2.60.0070.01016.83
7.2.50.0070.00716.86
7.2.40.0000.01016.86
7.2.30.0000.01516.72
7.2.20.0070.00716.71
7.2.10.0060.00316.94
7.2.00.0140.01317.78
7.1.330.0000.01415.70
7.1.320.0070.00715.66
7.1.310.0070.00715.67
7.1.300.0000.01415.63
7.1.290.0050.00515.49
7.1.280.0120.00315.62
7.1.270.0030.00715.55
7.1.260.0070.00715.49
7.1.250.0090.00315.80
7.1.200.0070.00415.85
7.1.70.0000.01117.10
7.1.60.0070.00317.19
7.1.50.0040.01516.91
7.1.40.0530.01532.46
7.1.30.0470.01732.45
7.1.20.0430.01032.76
7.1.10.0330.00714.46
7.1.00.0430.00714.52
7.0.200.0070.01016.60
7.0.180.0330.01313.98
7.0.170.0430.01014.13
7.0.160.0570.01014.09
7.0.150.0230.01014.27
7.0.140.0230.01314.33
7.0.130.0530.01014.45
7.0.120.0330.01014.55
7.0.110.0270.01014.37
7.0.100.0300.01014.21
7.0.90.0470.01014.51
7.0.80.0400.01314.43
7.0.70.0400.01314.38
7.0.60.0270.01014.34
7.0.50.0370.01714.44
7.0.40.0330.01714.50
7.0.30.1330.01314.45
7.0.20.0500.01014.46
7.0.10.0530.01014.41
7.0.00.0400.01014.42

preferences:
33.46 ms | 401 KiB | 5 Q