3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 1; $b = 10; echo (++$a + --$b++ + --$a)."\n"; echo $a.", ".$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)
5.4.270.0000.08718.90
5.4.260.0100.07718.93
5.4.250.0130.07318.92
5.4.240.0170.05018.99
5.4.230.0130.07319.06
5.4.220.0170.07018.95
5.4.210.0170.07018.61
5.4.200.0130.07018.94
5.4.190.0100.08018.91
5.4.180.0270.05718.92
5.4.170.0100.07318.97
5.4.160.0170.06018.91
5.4.150.0170.05318.97
5.4.140.0100.07316.26
5.4.130.0170.06016.38
5.4.120.0070.06016.38
5.4.110.0130.04716.35
5.4.100.0200.04316.46
5.4.90.0070.05716.50
5.4.80.0100.05316.43
5.4.70.0100.07016.54
5.4.60.0100.05716.31
5.4.50.0070.05716.30
5.4.40.0170.06316.56
5.4.30.0070.06716.40
5.4.20.0170.05716.39
5.4.10.0200.05716.42
5.4.00.0130.06016.03
5.3.280.0130.08014.69
5.3.270.0100.05714.46
5.3.260.0170.05714.48
5.3.250.0100.06014.60
5.3.240.0030.07714.70
5.3.230.0030.07714.37
5.3.220.0170.05014.34
5.3.210.0100.07314.61
5.3.200.0100.06714.27
5.3.190.0130.06314.58
5.3.180.0100.05714.34
5.3.170.0070.06314.57
5.3.160.0070.07314.40
5.3.150.0030.08014.44
5.3.140.0170.05314.43
5.3.130.0200.06314.56
5.3.120.0130.06314.43
5.3.110.0030.06714.57
5.3.100.0170.05013.89
5.3.90.0130.06013.79
5.3.80.0230.04714.00
5.3.70.0170.04313.91
5.3.60.0070.07013.77
5.3.50.0130.05313.94
5.3.40.0170.05713.95
5.3.30.0130.04713.91
5.3.20.0130.06013.71
5.3.10.0200.05313.56
5.3.00.0230.05013.68
5.2.170.0070.05711.15
5.2.160.0070.04711.16
5.2.150.0100.05311.02
5.2.140.0170.04711.15
5.2.130.0130.03711.02
5.2.120.0030.06011.13
5.2.110.0030.05310.95
5.2.100.0130.05011.00
5.2.90.0070.05311.10
5.2.80.0030.04711.20
5.2.70.0070.04011.09
5.2.60.0070.04011.06
5.2.50.0030.06311.17
5.2.40.0270.03011.01
5.2.30.0070.05710.86
5.2.20.0070.04710.97
5.2.10.0100.04010.80
5.2.00.0030.06710.80
5.1.60.0070.04310.14
5.1.50.0030.04710.09
5.1.40.0070.05310.21
5.1.30.0100.04310.38
5.1.20.0170.04310.34
5.1.10.0130.02710.01
5.1.00.0170.0339.92
5.0.50.0130.0338.61
5.0.40.0100.0238.60
5.0.30.0000.0638.07
5.0.20.0100.0278.15
5.0.10.0070.0408.21
5.0.00.0070.0478.07
4.4.90.0000.0275.90
4.4.80.0070.0175.90
4.4.70.0030.0205.90
4.4.60.0000.0275.90
4.4.50.0070.0275.90
4.4.40.0070.0435.90
4.4.30.0030.0275.90
4.4.20.0130.0205.96
4.4.10.0000.0305.90
4.4.00.0000.0375.90
4.3.110.0100.0175.90
4.3.100.0000.0235.90
4.3.90.0100.0175.90
4.3.80.0030.0375.90
4.3.70.0070.0205.90
4.3.60.0030.0305.90
4.3.50.0130.0235.90
4.3.40.0030.0435.90
4.3.30.0000.0235.90
4.3.20.0030.0275.90
4.3.10.0000.0305.90
4.3.00.0030.0276.02

preferences:
138.78 ms | 1394 KiB | 7 Q