3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'a'; class Q { public $a = 'Hello'; } $q = new Q(); echo $q->($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)
5.4.170.0110.04012.38
5.4.160.0100.04312.37
5.4.150.0180.03812.37
5.4.140.0110.04212.06
5.4.130.0220.06012.04
5.4.120.0140.03612.00
5.4.110.0110.04512.00
5.4.100.0100.04112.00
5.4.90.0130.03912.00
5.4.80.0080.04512.00
5.4.70.0100.04211.99
5.4.60.0110.03911.99
5.4.50.0130.03611.99
5.4.40.0110.03911.98
5.4.30.0120.04311.98
5.4.20.0120.03911.98
5.4.10.0180.05211.98
5.4.00.0110.04711.47
5.3.270.0110.05212.72
5.3.260.0160.04812.72
5.3.250.0130.04112.72
5.3.240.0150.04912.72
5.3.230.0120.04912.71
5.3.220.0210.06512.68
5.3.210.0150.04512.68
5.3.200.0150.04312.68
5.3.190.0120.04412.68
5.3.180.0100.04212.67
5.3.170.0130.03912.67
5.3.160.0160.05412.67
5.3.150.0140.03812.67
5.3.140.0130.03912.66
5.3.130.0120.05812.66
5.3.120.0100.04512.66
5.3.110.0190.04912.66
5.3.100.0120.04012.12
5.3.90.0100.04212.08
5.3.80.0120.03912.07
5.3.70.0130.04112.08
5.3.60.0100.04612.06
5.3.50.0120.03812.00
5.3.40.0110.04212.00
5.3.30.0220.05911.97
5.3.20.0120.03911.74
5.3.10.0110.03811.70
5.3.00.0130.03711.68
5.2.170.0100.0329.19
5.2.160.0090.0329.19
5.2.150.0110.0319.19
5.2.140.0100.0329.19
5.2.130.0100.0309.15
5.2.120.0080.0329.14
5.2.110.0080.0349.15
5.2.100.0160.0409.15
5.2.90.0100.0319.15
5.2.80.0100.0329.14
5.2.70.0100.0339.14
5.2.60.0170.0579.09
5.2.50.0050.0369.06
5.2.40.0090.0329.04
5.2.30.0110.0309.02
5.2.20.0090.0339.01
5.2.10.0110.0328.92
5.2.00.0100.0308.77
5.1.60.0100.0318.06
5.1.50.0080.0298.05
5.1.40.0090.0278.04
5.1.30.0090.0278.39
5.1.20.0100.0308.42
5.1.10.0090.0278.14
5.1.00.0080.0298.14
5.0.50.0080.0226.61
5.0.40.0080.0196.47
5.0.30.0090.0326.29
5.0.20.0070.0216.26
5.0.10.0180.0446.23
5.0.00.0070.0336.22
4.4.90.0060.0194.78
4.4.80.0060.0164.75
4.4.70.0050.0184.75
4.4.60.0050.0174.76
4.4.50.0050.0184.77
4.4.40.0070.0274.71
4.4.30.0040.0194.76
4.4.20.0080.0164.85
4.4.10.0060.0164.85
4.4.00.0050.0274.76
4.3.110.0050.0234.67
4.3.100.0050.0164.66
4.3.90.0050.0194.63
4.3.80.0070.0414.58
4.3.70.0060.0154.63
4.3.60.0070.0144.63
4.3.50.0030.0204.63
4.3.40.0080.0234.54
4.3.30.0040.0163.29
4.3.20.0030.0183.28
4.3.10.0050.0153.24
4.3.00.0100.0277.26

preferences:
144.65 ms | 1394 KiB | 7 Q