3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { $neon = null; } $foo = new Foo(); $rezult = isset($foo->neon); var_dump( $result );

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)
5.4.320.0230.07719.00
5.4.310.0370.06018.98
5.4.300.0330.06019.08
5.4.290.0170.05718.86
5.4.280.0330.06719.00
5.4.270.0330.06019.14
5.4.260.0170.05718.98
5.4.250.0330.03719.07
5.4.240.0170.07319.23
5.4.230.0230.06719.21
5.4.220.0230.04319.23
5.4.210.0230.03719.21
5.4.200.0300.06019.09
5.4.190.0300.05019.07
5.4.180.0330.06319.11
5.4.170.0270.07019.21
5.4.160.0270.04718.82
5.4.150.0170.07719.21
5.4.140.0270.03016.34
5.4.130.0270.07316.35
5.4.120.0270.07316.31
5.4.110.0270.05316.36
5.4.100.0270.06016.52
5.4.90.0300.04316.51
5.4.80.0130.04016.43
5.4.70.0270.04016.35
5.4.60.0200.05316.52
5.4.50.0270.07016.43
5.4.40.0270.07016.43
5.4.30.0270.06716.58
5.4.20.0300.06316.38
5.4.10.0170.05016.53
5.4.00.0130.04315.76
5.3.290.0170.04014.68
5.3.280.0270.05014.51
5.3.270.0230.07714.57
5.3.260.0300.06314.51
5.3.250.0170.05014.62
5.3.240.0370.05314.57
5.3.230.0370.06714.71
5.3.220.0270.07014.58
5.3.210.0300.06314.54
5.3.200.0270.07714.65
5.3.190.0270.06314.53
5.3.180.0230.06714.57
5.3.170.0230.05014.53
5.3.160.0300.06314.47
5.3.150.0230.06014.61
5.3.140.0200.05714.55
5.3.130.0330.06314.49
5.3.120.0230.05714.66
5.3.110.0270.07014.46
5.3.100.0230.04013.94
5.3.90.0130.04714.24
5.3.80.0230.05314.10
5.3.70.0200.07713.91
5.3.60.0300.06314.00
5.3.50.0330.06014.03
5.3.40.0270.05313.94
5.3.30.0200.04313.83
5.3.20.0200.03713.59
5.3.10.0130.04013.73
5.3.00.0130.04013.72
5.2.170.0170.03012.23
5.2.160.0200.04312.23
5.2.150.0200.04012.23
5.2.140.0100.03712.23
5.2.130.0170.03712.23
5.2.120.0200.03012.23
5.2.110.0200.06012.23
5.2.100.0170.04312.23
5.2.90.0230.05312.23
5.2.80.0230.05712.23
5.2.70.0200.05312.23
5.2.60.0170.02712.23
5.2.50.0130.06312.23
5.2.40.0230.05012.23
5.2.30.0230.05712.23
5.2.20.0200.05312.23
5.2.10.0270.05312.23
5.2.00.0200.04012.23
5.1.60.0170.03012.23
5.1.50.0170.05012.23
5.1.40.0200.04312.23
5.1.30.0170.03012.23
5.1.20.0200.02012.23
5.1.10.0200.05312.23
5.1.00.0130.05712.23
5.0.50.0130.02012.23
5.0.40.0170.04012.23
5.0.30.0100.04312.23
5.0.20.0030.02712.23
5.0.10.0200.02712.23
5.0.00.0100.06712.23
4.4.90.0170.02312.23
4.4.80.0070.02712.23
4.4.70.0070.02312.23
4.4.60.0030.04012.23
4.4.50.0130.02712.23
4.4.40.0130.03712.23
4.4.30.0100.03012.23
4.4.20.0100.02012.23
4.4.10.0070.03712.23
4.4.00.0070.03312.23
4.3.110.0100.02712.23
4.3.100.0070.02012.23
4.3.90.0030.02712.23
4.3.80.0130.03312.23
4.3.70.0100.02712.23
4.3.60.0100.01712.23
4.3.50.0130.01312.23
4.3.40.0100.05312.23
4.3.30.0030.04012.23
4.3.20.0070.01712.23
4.3.10.0070.02712.23
4.3.00.0030.02012.23

preferences:
140.39 ms | 1394 KiB | 7 Q