3v4l.org

run code in 300+ PHP versions simultaneously
<?php $o= new stdclass; $o->a= 'b'; $o->b= 'c'; $o2= $o; $o2->a= 'd'; var_dump($o); var_dump($o2); $o2->b = 'foo'; var_dump($o); var_dump($o2); $o3= clone $o; $o3->a= 'e'; var_dump($o); var_dump($o3);

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)
8.3.60.0130.00618.15
8.3.50.0120.00316.24
8.3.40.0090.00618.59
8.3.30.0040.01418.71
8.3.20.0050.00221.90
8.3.10.0040.00420.16
8.3.00.0080.00023.65
8.2.180.0110.00418.42
8.2.170.0090.00922.96
8.2.160.0090.00620.90
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0050.00326.16
8.2.110.0060.00321.11
8.2.100.0040.00819.51
8.2.90.0080.00018.22
8.2.80.0110.00018.07
8.2.70.0040.00417.50
8.2.60.0030.00618.03
8.2.50.0050.00218.10
8.2.40.0030.00619.30
8.2.30.0070.00019.11
8.2.20.0040.00418.06
8.2.10.0070.00019.13
8.2.00.0080.00019.24
8.1.270.0080.00022.24
8.1.260.0000.00726.35
8.1.250.0030.00528.09
8.1.240.0030.00723.80
8.1.230.0070.00420.83
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0030.00617.36
8.1.190.0050.00317.22
8.1.180.0030.00618.10
8.1.170.0000.00818.59
8.1.160.0030.00518.77
8.1.150.0000.00718.91
8.1.140.0000.00718.89
8.1.130.0060.00320.07
8.1.120.0020.00517.37
8.1.110.0030.00617.39
8.1.100.0070.00017.39
8.1.90.0050.00517.30
8.1.80.0000.00817.40
8.1.70.0070.00017.44
8.1.60.0000.00817.46
8.1.50.0000.00817.55
8.1.40.0030.00717.57
8.1.30.0000.00917.59
8.1.20.0040.00417.60
8.1.10.0060.00317.41
8.1.00.0050.00217.48
8.0.300.0070.00020.03
8.0.290.0050.00216.63
8.0.280.0030.00318.41
8.0.270.0050.00317.21
8.0.260.0060.00020.20
8.0.250.0000.00716.91
8.0.240.0080.00016.90
8.0.230.0030.00316.89
8.0.220.0040.00416.82
8.0.210.0000.00816.72
8.0.200.0070.00016.93
8.0.190.0040.00416.78
8.0.180.0040.00416.83
8.0.170.0080.00016.71
8.0.160.0000.00716.88
8.0.150.0040.00416.81
8.0.140.0000.00816.79
8.0.130.0030.00313.24
8.0.120.0040.00416.81
8.0.110.0040.00416.66
8.0.100.0000.00716.64
8.0.90.0000.00816.85
8.0.80.0030.01316.83
8.0.70.0040.00416.68
8.0.60.0050.00216.72
8.0.50.0000.00716.89
8.0.30.0100.01016.70
8.0.20.0140.01017.22
8.0.10.0040.00416.73
8.0.00.0150.00416.64
7.4.330.0020.00215.55
7.4.320.0040.00416.52
7.4.300.0030.00316.55
7.4.290.0000.00816.58
7.4.280.0000.00816.48
7.4.270.0030.00616.45
7.4.260.0040.00416.54
7.4.250.0050.00216.44
7.4.240.0000.00716.53
7.4.230.0040.00416.65
7.4.220.0050.00316.44
7.4.210.0030.01216.44
7.4.200.0040.00416.64
7.4.140.0130.00317.86
7.4.130.0090.00916.45
7.4.120.0170.00716.22
7.4.110.0110.00716.52
7.4.100.0030.01516.24
7.4.90.0030.01416.60
7.4.80.0140.01019.39
7.4.70.0070.01016.54
7.4.60.0080.00816.41
7.4.50.0090.00616.54
7.4.40.0100.00616.34
7.4.10.0100.00714.93
7.4.00.0060.00914.88
7.3.330.0000.00513.15
7.3.320.0060.00013.22
7.3.310.0040.00316.33
7.3.300.0070.00016.37
7.3.290.0040.00416.32
7.3.280.0000.01516.38
7.3.260.0110.00916.51
7.3.230.0110.00816.36
7.3.210.0120.00816.48
7.3.200.0060.01216.64
7.3.190.0060.01616.46
7.3.180.0150.00016.31
7.3.170.0170.00816.67
7.3.160.0110.00616.51
7.3.130.0070.01114.88
7.3.120.0080.00814.85
7.3.110.0070.01015.00
7.3.100.0030.01614.65
7.3.90.0030.01015.13
7.3.80.0030.01614.97
7.3.70.0090.00914.85
7.3.60.0050.00814.80
7.3.50.0090.00714.82
7.3.40.0080.00714.70
7.3.30.0050.00714.75
7.3.20.0090.00715.67
7.3.10.0140.01015.53
7.3.00.0120.00415.64
7.2.330.0060.01216.73
7.2.320.0060.01716.55
7.2.310.0160.00316.62
7.2.300.0160.00616.63
7.2.290.0100.00716.59
7.2.260.0090.00615.02
7.2.250.0120.00615.19
7.2.240.0000.01615.14
7.2.230.0120.00614.84
7.2.220.0090.00614.75
7.2.210.0090.00915.10
7.2.200.0110.00615.03
7.2.190.0050.00614.98
7.2.180.0130.00614.82
7.2.170.0070.00814.82
7.2.160.0090.00715.01
7.2.150.0080.00715.83
7.2.140.0860.00515.77
7.2.130.0070.01015.85
7.2.120.0130.00315.94
7.2.110.0050.01215.75
7.2.100.0080.00815.77
7.2.90.0120.00615.87
7.2.80.0090.00915.87
7.2.70.0090.00715.77
7.2.60.0160.00816.08
7.2.50.0110.00715.82
7.2.40.0150.00515.89
7.2.30.0110.00515.91
7.2.20.0100.00515.86
7.2.10.0130.00915.89
7.2.00.0160.00315.92
7.1.330.0030.01315.81
7.1.320.0030.01515.71
7.1.310.0030.01015.81
7.1.300.0140.00214.85
7.1.290.0110.00814.76
7.1.280.0100.00714.76
7.1.270.0100.00714.74
7.1.260.0080.00814.73
7.1.250.0110.00214.75
7.1.240.0000.01515.78
7.1.230.0090.00316.04
7.1.220.0000.01515.93
7.1.210.0070.00715.62
7.1.200.0030.00915.86
7.1.190.0040.00815.63
7.1.180.0090.00315.68
7.1.170.0000.01315.76
7.1.160.0030.00615.57
7.1.150.0000.01715.91
7.1.140.0070.01115.93
7.1.130.0090.00615.84
7.1.120.0080.00415.63
7.1.110.0040.01115.88
7.1.100.0000.00915.90
7.1.90.0040.00815.83
7.1.80.0000.01515.90
7.1.70.0060.01015.90
7.1.60.0090.00915.49
7.1.50.0060.00915.73
7.1.40.0030.01515.76
7.1.30.0030.01215.46
7.1.20.0090.00315.71
7.1.10.0090.00015.48
7.1.00.0110.00315.90

preferences:
54.69 ms | 400 KiB | 5 Q