3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1,2,3); echo $a{0}; // 1 $str = "abcdef"; echo $str{2}; // c $a{} = 'test'; $a{} = 'test2'; var_dump($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)
5.4.340.0060.03512.01
5.4.320.0070.04712.50
5.4.310.0060.04012.50
5.4.300.0110.03912.50
5.4.290.0040.04312.49
5.4.280.0090.03512.39
5.4.270.0080.03912.39
5.4.260.0100.03612.39
5.4.250.0050.04212.39
5.4.240.0070.03712.39
5.4.230.0050.04512.38
5.4.220.0120.03612.38
5.4.210.0110.03412.38
5.4.200.0070.03612.38
5.4.190.0070.04612.38
5.4.180.0040.03912.38
5.4.170.0040.03812.38
5.4.160.0030.04112.38
5.4.150.0050.03812.38
5.4.140.0120.04112.07
5.4.130.0080.03612.05
5.4.120.0080.03312.02
5.4.110.0080.03412.01
5.4.100.0070.03512.01
5.4.90.0040.04012.01
5.4.80.0050.03712.01
5.4.70.0050.03412.01
5.4.60.0050.03612.01
5.4.50.0030.04212.01
5.4.40.0070.03612.00
5.4.30.0060.03511.99
5.4.20.0100.03311.99
5.4.10.0060.03511.99
5.4.00.0080.03611.48
5.3.290.0070.03812.80
5.3.280.0040.04212.70
5.3.270.0040.04312.72
5.3.260.0050.03912.71
5.3.250.0080.03612.72
5.3.240.0070.03712.72
5.3.230.0070.03712.71
5.3.220.0080.03812.68
5.3.210.0050.04112.68
5.3.200.0070.03612.68
5.3.190.0080.03512.67
5.3.180.0040.04612.68
5.3.170.0060.03912.67
5.3.160.0080.03612.68
5.3.150.0040.03912.68
5.3.140.0080.03912.66
5.3.130.0050.04112.66
5.3.120.0060.04112.66
5.3.110.0040.04112.65
5.3.100.0090.03512.12
5.3.90.0070.03512.09
5.3.80.0120.03312.07
5.3.70.0110.03112.08
5.3.60.0070.03512.06
5.3.50.0080.03512.00
5.3.40.0080.03712.00
5.3.30.0090.03411.95
5.3.20.0070.03411.73
5.3.10.0100.04011.70
5.3.00.0090.04511.68
5.2.170.0100.0349.19
5.2.160.0090.0289.19
5.2.150.0080.0329.18
5.2.140.0040.0389.18
5.2.130.0060.0399.14
5.2.120.0070.0349.14
5.2.110.0070.0379.14
5.2.100.0060.0399.14
5.2.90.0070.0289.14
5.2.80.0060.0319.14
5.2.70.0080.0339.14
5.2.60.0050.0339.09
5.2.50.0000.0349.06
5.2.40.0030.0299.04
5.2.30.0060.0289.01
5.2.20.0100.0239.00
5.2.10.0040.0288.92
5.2.00.0030.0308.78
5.1.60.0050.0228.07
5.1.50.0040.0248.07
5.1.40.0050.0238.05
5.1.30.0050.0298.40
5.1.20.0060.0278.42
5.1.10.0070.0238.14
5.1.00.0030.0268.14
5.0.50.0030.0206.62
5.0.40.0050.0206.48
5.0.30.0020.0336.30
5.0.20.0020.0216.27
5.0.10.0030.0226.24
5.0.00.0040.0316.23
4.4.90.0030.0204.78
4.4.80.0030.0174.75
4.4.70.0030.0164.76
4.4.60.0020.0164.76
4.4.50.0020.0164.77
4.4.40.0020.0264.70
4.4.30.0050.0144.76
4.4.20.0030.0204.84
4.4.10.0060.0144.85
4.4.00.0050.0224.76
4.3.110.0010.0174.67
4.3.100.0050.0144.66
4.3.90.0040.0134.63
4.3.80.0040.0234.58
4.3.70.0020.0154.63
4.3.60.0040.0134.63
4.3.50.0030.0154.63
4.3.40.0000.0294.54
4.3.30.0020.0163.28
4.3.20.0010.0183.26
4.3.10.0000.0173.22
4.3.00.0200.0277.56

preferences:
139.43 ms | 1394 KiB | 7 Q