3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=array('a'=>array(1,2,3), 'b'=>array(4,5,6), 'c'=>array(7,8,9)); $_a=&$a['a']; $_a['x']='aaaaaaa'; print_r($a); $_a=&$a['b']; $_a['x']='bbbbbb'; print_r($a);

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)
8.3.60.0150.00316.50
8.3.50.0040.01116.36
8.3.40.0150.00018.71
8.3.30.0080.00618.71
8.3.20.0080.00021.82
8.3.10.0030.00523.66
8.3.00.0030.00519.56
8.2.180.0080.01116.38
8.2.170.0210.00022.96
8.2.160.0100.00320.32
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0070.00020.29
8.2.120.0060.00326.35
8.2.110.0030.00620.32
8.2.100.0080.00317.91
8.2.90.0040.00418.99
8.2.80.0080.00017.97
8.2.70.0050.00317.38
8.2.60.0090.00017.93
8.2.50.0000.00818.10
8.2.40.0030.00620.60
8.2.30.0050.00321.02
8.2.20.0000.00718.04
8.2.10.0000.00717.96
8.2.00.0000.00817.99
8.1.280.0110.00725.92
8.1.270.0080.00018.86
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0030.01322.47
8.1.230.0080.00318.98
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.13
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0000.00818.59
8.1.160.0000.00718.97
8.1.150.0050.00320.72
8.1.140.0050.00319.46
8.1.130.0070.00020.61
8.1.120.0030.00317.30
8.1.110.0050.00317.27
8.1.100.0040.00417.27
8.1.90.0040.00417.38
8.1.80.0070.00017.32
8.1.70.0030.00317.29
8.1.60.0030.00617.51
8.1.50.0000.01117.39
8.1.40.0050.00317.49
8.1.30.0060.00317.44
8.1.20.0000.00817.55
8.1.10.0050.00317.50
8.1.00.0060.00317.42
8.0.300.0050.00319.86
8.0.290.0040.00416.58
8.0.280.0000.00718.38
8.0.270.0030.00317.20
8.0.260.0000.00718.75
8.0.250.0050.00216.87
8.0.240.0040.00416.81
8.0.230.0040.00416.88
8.0.220.0000.00716.82
8.0.210.0050.00216.72
8.0.200.0030.00316.80
8.0.190.0040.00416.86
8.0.180.0000.00816.86
8.0.170.0050.00316.83
8.0.160.0000.00716.82
8.0.150.0040.00416.64
8.0.140.0060.00316.74
8.0.130.0060.00013.28
8.0.120.0000.00716.79
8.0.110.0040.00416.72
8.0.100.0040.00416.68
8.0.90.0000.00716.73
8.0.80.0090.00916.82
8.0.70.0040.00416.77
8.0.60.0060.00316.73
8.0.50.0040.00416.89
8.0.30.0120.00717.02
8.0.20.0180.00917.40
8.0.10.0000.00717.04
8.0.00.0160.00716.84
7.4.330.0000.00515.55
7.4.320.0000.00616.45
7.4.300.0030.00316.48
7.4.290.0040.00416.43
7.4.280.0080.00016.39
7.4.270.0040.00416.56
7.4.260.0070.00016.38
7.4.250.0040.00416.35
7.4.240.0000.00816.36
7.4.230.0070.00016.46
7.4.220.0160.01016.50
7.4.210.0060.00916.50
7.4.200.0000.00716.52
7.4.160.0090.01016.41
7.4.150.0130.00317.40
7.4.140.0150.00717.86
7.4.130.0100.00916.38
7.4.120.0100.01116.54
7.4.110.0120.01216.24
7.4.100.0120.00616.55
7.4.90.0090.01216.42
7.4.80.0090.00919.39
7.4.70.0000.01616.39
7.4.60.0130.00316.27
7.4.50.0050.00816.26
7.4.40.0070.01316.30
7.4.30.0170.00016.56
7.4.00.0000.01514.75
7.3.330.0000.00512.93
7.3.320.0030.00313.00
7.3.310.0020.00516.06
7.3.300.0070.00016.25
7.3.290.0070.00716.16
7.3.280.0100.00816.20
7.3.270.0090.00617.40
7.3.260.0140.00716.57
7.3.250.0090.00916.42
7.3.240.0180.00316.21
7.3.230.0000.01616.19
7.3.210.0100.00616.40
7.3.200.0060.01516.48
7.3.190.0140.00316.20
7.3.180.0060.00916.37
7.3.170.0090.00616.26
7.3.160.0070.01016.32
7.3.00.0060.00916.57
7.2.330.0100.00716.57
7.2.320.0060.01216.59
7.2.310.0060.01216.58
7.2.300.0100.00716.21
7.2.290.0110.01116.59
7.2.130.0070.00316.85
7.2.120.0000.01016.75
7.2.110.0040.00716.78
7.2.100.0030.00716.59
7.2.90.0040.00716.77
7.2.80.0040.01016.59
7.2.70.0000.01516.88
7.2.60.0110.00216.74
7.2.50.0060.00716.83
7.2.40.0080.00416.64
7.2.30.0040.01116.83
7.2.20.0030.00717.02
7.2.10.0030.01017.04
7.2.00.0040.00816.76
7.1.250.0090.00615.75
7.1.240.0040.00715.89
7.1.230.0060.00615.75
7.1.220.0000.01515.81
7.1.210.0000.01015.68
7.1.200.0020.00815.78
7.1.190.0060.00615.80
7.1.180.0090.00415.55
7.1.170.0040.00715.57
7.1.160.0030.00715.89
7.1.150.0060.00615.70
7.1.140.0040.00415.81
7.1.130.0060.00615.86
7.1.120.0030.00615.84
7.1.110.0040.00815.77
7.1.100.0060.00615.93
7.1.90.0070.00715.93
7.1.80.0030.00615.59
7.1.70.0020.00616.49
7.1.60.0430.01024.43
7.1.50.0340.00424.25
7.1.40.0380.00824.06
7.1.30.0420.00924.07
7.1.20.0280.01524.04
7.1.10.0390.00915.12
7.1.00.0310.00815.26
7.0.330.0080.00415.53
7.0.320.0070.00415.37
7.0.310.0030.00915.31
7.0.300.0030.00915.14
7.0.290.0070.00715.36
7.0.280.0000.01415.19
7.0.270.0040.00815.40
7.0.260.0070.00315.27
7.0.250.0040.00815.57
7.0.240.0040.00815.44
7.0.230.0000.01015.39
7.0.220.0090.00615.38
7.0.210.0110.00015.42
7.0.200.0320.01015.08
7.0.190.0030.01015.11
7.0.180.0430.00614.99
7.0.170.0420.01014.97
7.0.160.0430.00114.93
7.0.150.0350.00514.99
7.0.140.0250.01214.75
7.0.130.0410.00615.02
7.0.120.0440.00715.10
7.0.110.0360.00514.99
7.0.100.0380.00914.84
7.0.90.0350.01115.04
7.0.80.0370.00514.93
7.0.70.0330.00814.96
7.0.60.0490.00714.93
7.0.50.0350.01315.16
7.0.40.0550.00914.10
7.0.30.0620.00914.00
7.0.20.0390.01014.00
7.0.10.0680.00513.99
7.0.00.0610.00514.08
5.6.380.0110.00314.27

preferences:
62.57 ms | 401 KiB | 5 Q