3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr('https://www.facebook.com/dialog/oauth' 0, 36);

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)
5.4.270.0100.05018.88
5.4.260.0070.05718.84
5.4.250.0130.08018.98
5.4.240.0130.07018.73
5.4.230.0070.07718.73
5.4.220.0100.06019.09
5.4.210.0100.07718.93
5.4.200.0170.06318.92
5.4.190.0070.05019.08
5.4.180.0130.05718.77
5.4.170.0200.04718.88
5.4.160.0100.07718.95
5.4.150.0070.06319.07
5.4.140.0070.06016.34
5.4.130.0100.07016.38
5.4.120.0100.05316.29
5.4.110.0100.07316.43
5.4.100.0170.05016.37
5.4.90.0200.04716.45
5.4.80.0170.05316.45
5.4.70.0100.06016.52
5.4.60.0170.05316.62
5.4.50.0100.06716.39
5.4.40.0070.08016.32
5.4.30.0170.06316.39
5.4.20.0200.05016.39
5.4.10.0070.05316.32
5.4.00.0170.06015.92
5.3.280.0000.05714.64
5.3.270.0130.06714.50
5.3.260.0170.06014.48
5.3.250.0100.05714.44
5.3.240.0030.07314.62
5.3.230.0200.06314.45
5.3.220.0030.08014.58
5.3.210.0070.08014.59
5.3.200.0070.05314.57
5.3.190.0070.06714.59
5.3.180.0130.05014.43
5.3.170.0030.06014.48
5.3.160.0200.06014.43
5.3.150.0100.07314.34
5.3.140.0000.05714.47
5.3.130.0070.06014.55
5.3.120.0130.07014.55
5.3.110.0130.04714.64
5.3.100.0130.06014.05
5.3.90.0070.07713.91
5.3.80.0100.04313.89
5.3.70.0030.05714.04
5.3.60.0100.06014.05
5.3.50.0100.05713.80
5.3.40.0270.04713.80
5.3.30.0070.05013.88
5.3.20.0130.07713.40
5.3.10.0030.05713.67
5.3.00.0070.05013.65
5.2.170.0230.05711.06
5.2.160.0070.04011.29
5.2.150.0000.06011.29
5.2.140.0070.05711.23
5.2.130.0030.04011.11
5.2.120.0100.03711.16
5.2.110.0030.04311.11
5.2.100.0000.05011.00
5.2.90.0100.03711.03
5.2.80.0100.05310.85
5.2.70.0170.03710.93
5.2.60.0100.04010.93
5.2.50.0130.03311.02
5.2.40.0030.04311.10
5.2.30.0000.06010.98
5.2.20.0030.04010.84
5.2.10.0100.03310.81
5.2.00.0070.03710.93
5.1.60.0000.03710.08
5.1.50.0070.04710.02
5.1.40.0100.04310.07
5.1.30.0070.04710.34
5.1.20.0000.04010.23
5.1.10.0030.04710.16
5.1.00.0070.0439.95
5.0.50.0030.0438.66
5.0.40.0070.0338.46
5.0.30.0000.0508.37
5.0.20.0100.0238.02
5.0.10.0030.0278.15
5.0.00.0000.0408.30
4.4.90.0070.0206.84
4.4.80.0030.0206.84
4.4.70.0030.0236.84
4.4.60.0030.0206.84
4.4.50.0000.0236.84
4.4.40.0100.0276.84
4.4.30.0030.0306.84
4.4.20.0070.0276.84
4.4.10.0070.0206.84
4.4.00.0000.0436.84
4.3.110.0000.0306.84
4.3.100.0030.0206.84
4.3.90.0030.0306.84
4.3.80.0030.0436.84
4.3.70.0000.0276.84
4.3.60.0000.0306.84
4.3.50.0000.0336.84
4.3.40.0000.0376.84
4.3.30.0000.0276.84
4.3.20.0070.0206.84
4.3.10.0030.0206.84
4.3.00.0200.0207.14

preferences:
141.72 ms | 1394 KiB | 7 Q