3v4l.org

run code in 300+ PHP versions simultaneously
<?php $i = 37; if ($i = 0,$i <= 37,$i++) { eval('$hex = "\".$i."bbb";'); var_dump($hex); }

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)
5.4.260.0070.07019.25
5.4.250.0070.07019.23
5.4.240.0130.03018.94
5.4.230.0100.07018.97
5.4.220.0030.06019.30
5.4.210.0030.07718.98
5.4.200.0100.07018.85
5.4.190.0070.03318.93
5.4.180.0100.07719.13
5.4.170.0070.06718.98
5.4.160.0030.05718.99
5.4.150.0000.05319.14
5.4.140.0070.06716.32
5.4.130.0030.04316.38
5.4.120.0000.06316.32
5.4.110.0000.04716.47
5.4.100.0000.04316.54
5.4.90.0030.04316.26
5.4.80.0030.07016.50
5.4.70.0070.06716.36
5.4.60.0000.06316.51
5.4.50.0030.06716.53
5.4.40.0070.06016.33
5.4.30.0070.07316.42
5.4.20.0070.06316.55
5.4.10.0100.07316.43
5.4.00.0000.05715.86
5.3.280.0030.04714.59
5.3.270.0000.06314.55
5.3.260.0070.07014.64
5.3.250.0030.07314.69
5.3.240.0000.06714.70
5.3.230.0000.07714.44
5.3.220.0070.07014.66
5.3.210.0070.07714.52
5.3.200.0000.07014.53
5.3.190.0170.06714.47
5.3.180.0000.08014.66
5.3.170.0070.07014.63
5.3.160.0070.05714.59
5.3.150.0030.07714.56
5.3.140.0030.07314.65
5.3.130.0000.05314.48
5.3.120.0070.07014.38
5.3.110.0070.07314.46
5.3.100.0000.05013.97
5.3.90.0030.04314.12
5.3.80.0000.06313.89
5.3.70.0070.07013.98
5.3.60.0030.07013.91
5.3.50.0070.03013.93
5.3.40.0000.03713.80
5.3.30.0030.03313.76
5.3.20.0030.03313.53
5.3.10.0000.03313.51
5.3.00.0000.03313.62
5.2.170.0030.03312.13
5.2.160.0000.03012.13
5.2.150.0000.03012.13
5.2.140.0030.03012.13
5.2.130.0000.03012.13
5.2.120.0000.03012.13
5.2.110.0000.03012.13
5.2.100.0000.03312.13
5.2.90.0030.03012.13
5.2.80.0070.02712.13
5.2.70.0000.02712.13
5.2.60.0030.04712.13
5.2.50.0030.02712.13
5.2.40.0030.03712.13
5.2.30.0000.03012.13
5.2.20.0070.05012.13
5.2.10.0000.03712.13
5.2.00.0000.03012.13
5.1.60.0000.02312.13
5.1.50.0030.02012.13
5.1.40.0000.02312.13
5.1.30.0030.02312.13
5.1.20.0000.02712.13
5.1.10.0030.02312.13
5.1.00.0000.02312.13
5.0.50.0000.02012.13
5.0.40.0000.02012.13
5.0.30.0000.03312.13
5.0.20.0000.02012.13
5.0.10.0030.01712.13
5.0.00.0000.03312.13
4.4.90.0000.01312.13
4.4.80.0030.01312.13
4.4.70.0000.01712.13
4.4.60.0000.01312.13
4.4.50.0000.01712.13
4.4.40.0000.02312.13
4.4.30.0000.01312.13
4.4.20.0000.01712.13
4.4.10.0000.01312.13
4.4.00.0000.02312.13
4.3.110.0000.01712.13
4.3.100.0000.01312.13
4.3.90.0000.01312.13
4.3.80.0000.02312.13
4.3.70.0030.01312.13
4.3.60.0000.01712.13
4.3.50.0000.01712.13
4.3.40.0000.02312.13
4.3.30.0030.01312.13
4.3.20.0000.01312.13
4.3.10.0000.01312.13
4.3.00.0000.01312.13

preferences:
148.42 ms | 1394 KiB | 7 Q