3v4l.org

run code in 300+ PHP versions simultaneously
<?php  $int  = 2;    $bool = true;    $a= 1 + 'test'. ($int + $bool);    $b= 'test' . ($int + $bool) + 1;    var_dump($a, $b);

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)
5.4.340.0060.03512.00
5.4.320.0060.03712.50
5.4.310.0070.03812.49
5.4.300.0080.03412.50
5.4.290.0060.03712.49
5.4.280.0080.03312.39
5.4.270.0030.04112.39
5.4.260.0070.04312.39
5.4.250.0050.03812.39
5.4.240.0050.03712.39
5.4.230.0060.04912.38
5.4.220.0070.03712.38
5.4.210.0080.03312.38
5.4.200.0070.03612.38
5.4.190.0060.03712.38
5.4.180.0020.04012.38
5.4.170.0020.04012.38
5.4.160.0060.03612.38
5.4.150.0060.03712.38
5.4.140.0070.03512.07
5.4.130.0030.03812.05
5.4.120.0070.03412.02
5.4.110.0070.03412.01
5.4.100.0060.03412.01
5.4.90.0080.03412.01
5.4.80.0050.03712.01
5.4.70.0040.03612.00
5.4.60.0040.03612.00
5.4.50.0060.03912.01
5.4.40.0060.03512.00
5.4.30.0080.03311.99
5.4.20.0060.03511.99
5.4.10.0070.03411.99
5.4.00.0050.03711.48
5.3.290.0050.04012.80
5.3.280.0100.03712.71
5.3.270.0070.03812.72
5.3.260.0080.03712.72
5.3.250.0040.03912.72
5.3.240.0090.03412.72
5.3.230.0070.03712.71
5.3.220.0070.03612.68
5.3.210.0050.04012.68
5.3.200.0040.03812.68
5.3.190.0050.03812.68
5.3.180.0050.03612.68
5.3.170.0070.03512.67
5.3.160.0070.03512.67
5.3.150.0070.03612.67
5.3.140.0100.03212.66
5.3.130.0060.03812.66
5.3.120.0070.03712.66
5.3.110.0070.03912.66
5.3.100.0090.03412.12
5.3.90.0030.03912.08
5.3.80.0070.03512.07
5.3.70.0090.03312.07
5.3.60.0090.03312.07
5.3.50.0040.03712.00
5.3.40.0050.03612.00
5.3.30.0090.03111.95
5.3.20.0060.03411.73
5.3.10.0050.03511.70
5.3.00.0050.03611.68
5.2.170.0040.0309.18
5.2.160.0070.0269.18
5.2.150.0050.0319.18
5.2.140.0040.0329.18
5.2.130.0010.0329.14
5.2.120.0030.0299.14
5.2.110.0060.0279.15
5.2.100.0010.0319.14
5.2.90.0040.0299.14
5.2.80.0030.0329.14
5.2.70.0020.0359.14
5.2.60.0030.0329.09
5.2.50.0060.0319.06
5.2.40.0040.0289.04
5.2.30.0040.0309.01
5.2.20.0060.0279.00
5.2.10.0050.0288.93
5.2.00.0050.0288.78
5.1.60.0040.0248.06
5.1.50.0030.0268.06
5.1.40.0030.0248.05
5.1.30.0060.0238.40
5.1.20.0030.0278.42
5.1.10.0050.0248.14
5.1.00.0040.0258.14
5.0.50.0030.0216.62
5.0.40.0040.0186.47
5.0.30.0030.0316.29
5.0.20.0070.0156.26
5.0.10.0040.0206.24
5.0.00.0030.0316.23
4.4.90.0020.0164.78
4.4.80.0020.0154.75
4.4.70.0020.0164.76
4.4.60.0030.0154.76
4.4.50.0040.0154.77
4.4.40.0040.0244.71
4.4.30.0000.0184.76
4.4.20.0010.0204.84
4.4.10.0030.0164.85
4.4.00.0010.0274.76
4.3.110.0050.0144.67
4.3.100.0020.0154.67
4.3.90.0030.0144.64
4.3.80.0030.0234.59
4.3.70.0010.0164.63
4.3.60.0030.0144.62
4.3.50.0030.0214.63
4.3.40.0010.0254.54
4.3.30.0000.0183.28
4.3.20.0020.0153.26
4.3.10.0020.0153.21
4.3.00.0000.0236.83

preferences:
144.27 ms | 1394 KiB | 7 Q