3v4l.org

run code in 300+ PHP versions simultaneously
<?php $temp = 1900; $temp2 = '+' . $temp; var_dump($temp2); if (is_string($temp2) {echo 'true';}

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)
5.4.320.0070.03512.50
5.4.310.0070.03712.50
5.4.300.0060.03512.50
5.4.290.0070.04312.50
5.4.280.0090.03112.39
5.4.270.0070.03612.39
5.4.260.0060.04612.39
5.4.250.0030.04012.39
5.4.240.0050.03712.39
5.4.230.0040.03912.38
5.4.220.0040.03812.38
5.4.210.0070.03512.39
5.4.200.0070.04712.38
5.4.190.0060.03512.38
5.4.180.0070.03412.38
5.4.170.0040.04312.39
5.4.160.0080.03412.39
5.4.150.0060.03612.38
5.4.140.0020.04112.07
5.4.130.0060.04312.05
5.4.120.0090.03712.02
5.4.110.0050.03512.02
5.4.100.0040.04512.02
5.4.90.0060.04212.01
5.4.80.0100.03612.01
5.4.70.0070.04112.01
5.4.60.0050.04112.00
5.4.50.0030.04512.01
5.4.40.0050.03512.00
5.4.30.0070.04011.99
5.4.20.0050.03511.98
5.4.10.0070.04711.99
5.4.00.0050.03511.49
5.3.290.0040.04112.80
5.3.280.0040.03912.71
5.3.270.0050.03912.73
5.3.260.0060.03812.71
5.3.250.0110.03412.72
5.3.240.0090.04712.72
5.3.230.0070.03712.71
5.3.220.0050.03712.68
5.3.210.0050.03912.68
5.3.200.0080.03712.68
5.3.190.0070.03712.68
5.3.180.0040.03712.68
5.3.170.0080.03412.67
5.3.160.0030.03912.67
5.3.150.0060.04312.67
5.3.140.0070.03612.66
5.3.130.0070.04412.66
5.3.120.0040.04012.66
5.3.110.0060.03912.66
5.3.100.0060.05012.12
5.3.90.0050.04212.09
5.3.80.0050.03812.07
5.3.70.0070.03512.08
5.3.60.0080.03312.06
5.3.50.0050.03712.00
5.3.40.0070.04112.00
5.3.30.0070.04211.95
5.3.20.0060.03511.73
5.3.10.0050.04111.70
5.3.00.0050.04411.68
5.2.170.0060.0349.18
5.2.160.0020.0329.18
5.2.150.0060.0299.18
5.2.140.0090.0259.18
5.2.130.0050.0279.14
5.2.120.0060.0289.14
5.2.110.0070.0359.14
5.2.100.0060.0349.14
5.2.90.0070.0279.14
5.2.80.0040.0349.14
5.2.70.0080.0369.14
5.2.60.0040.0319.09
5.2.50.0090.0269.06
5.2.40.0100.0249.04
5.2.30.0050.0309.01
5.2.20.0020.0319.00
5.2.10.0090.0428.93
5.2.00.0020.0328.78
5.1.60.0040.0258.07
5.1.50.0050.0298.07
5.1.40.0030.0268.04
5.1.30.0050.0268.39
5.1.20.0030.0348.42
5.1.10.0090.0208.14
5.1.00.0030.0268.15
5.0.50.0030.0216.62
5.0.40.0040.0196.48
5.0.30.0030.0316.29
5.0.20.0050.0216.27
5.0.10.0030.0266.24
5.0.00.0020.0336.23
4.4.90.0050.0214.78
4.4.80.0030.0194.75
4.4.70.0060.0244.75
4.4.60.0030.0194.76
4.4.50.0040.0134.77
4.4.40.0020.0284.70
4.4.30.0030.0154.76
4.4.20.0010.0174.84
4.4.10.0060.0164.85
4.4.00.0040.0254.76
4.3.110.0040.0144.67
4.3.100.0020.0154.67
4.3.90.0030.0194.63
4.3.80.0030.0234.58
4.3.70.0040.0134.63
4.3.60.0010.0164.63
4.3.50.0060.0124.62
4.3.40.0040.0234.54
4.3.30.0030.0153.28
4.3.20.0040.0203.26
4.3.10.0030.0153.22
4.3.00.0030.01715.62

preferences:
146.71 ms | 1394 KiB | 7 Q