3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = array(); $test[0] = 0; if(empty($test[0]){ echo "good"; } ?>

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)
5.4.280.0000.07018.84
5.4.270.0030.07718.98
5.4.260.0030.04719.32
5.4.250.0100.05018.97
5.4.240.0070.07018.94
5.4.230.0000.08019.08
5.4.220.0070.05319.21
5.4.210.0030.08019.16
5.4.200.0070.06319.24
5.4.190.0070.07019.00
5.4.180.0000.07719.23
5.4.170.0070.07718.84
5.4.160.0000.07318.90
5.4.150.0070.06718.81
5.4.140.0000.04316.67
5.4.130.0000.07716.48
5.4.120.0070.04016.37
5.4.110.0070.06316.55
5.4.100.0030.04016.58
5.4.90.0030.03716.41
5.4.80.0030.07316.34
5.4.70.0030.07016.54
5.4.60.0100.04316.48
5.4.50.0030.06016.48
5.4.40.0070.07016.40
5.4.30.0070.06716.32
5.4.20.0000.06016.50
5.4.10.0100.06716.34
5.4.00.0000.06315.73
5.3.280.0000.07714.54
5.3.270.0070.04314.51
5.3.260.0030.05314.65
5.3.250.0000.06014.44
5.3.240.0070.04314.45
5.3.230.0030.05014.45
5.3.220.0070.03314.41
5.3.210.0030.04714.50
5.3.200.0030.05014.61
5.3.190.0000.04014.61
5.3.180.0070.04014.39
5.3.170.0030.04314.42
5.3.160.0030.06014.43
5.3.150.0030.06714.44
5.3.140.0030.06314.39
5.3.130.0070.07314.39
5.3.120.0030.07314.42
5.3.110.0070.04014.55
5.3.100.0030.04313.89
5.3.90.0000.04313.98
5.3.80.0000.08013.81
5.3.70.0030.04713.85
5.3.60.0030.04313.97
5.3.50.0000.06713.82
5.3.40.0000.07313.92
5.3.30.0030.04313.89
5.3.20.0030.07013.73
5.3.10.0070.05713.61
5.3.00.0000.06313.66
5.2.170.0030.06712.02
5.2.160.0000.03012.02
5.2.150.0000.04312.02
5.2.140.0000.06012.02
5.2.130.0030.06012.02
5.2.120.0000.06712.02
5.2.110.0030.06012.02
5.2.100.0000.03712.02
5.2.90.0000.06312.02
5.2.80.0070.05312.02
5.2.70.0030.06012.02
5.2.60.0030.06712.02
5.2.50.0000.05012.02
5.2.40.0000.04012.02
5.2.30.0030.06312.02
5.2.20.0000.06712.02
5.2.10.0000.05712.02
5.2.00.0000.03312.02
5.1.60.0070.04012.02
5.1.50.0030.05012.02
5.1.40.0000.05012.02
5.1.30.0070.05312.02
5.1.20.0000.04012.02
5.1.10.0000.04312.02
5.1.00.0030.05312.02
5.0.50.0030.03712.02
5.0.40.0000.04312.02
5.0.30.0030.06312.02
5.0.20.0000.04712.02
5.0.10.0030.04012.02
5.0.00.0000.05712.02
4.4.90.0030.03712.02
4.4.80.0030.02312.02
4.4.70.0030.03312.02
4.4.60.0000.02312.02
4.4.50.0000.02712.02
4.4.40.0030.03712.02
4.4.30.0000.03712.02
4.4.20.0000.03712.02
4.4.10.0000.02012.02
4.4.00.0000.03312.02
4.3.110.0000.01712.02
4.3.100.0000.03312.02
4.3.90.0000.04012.02
4.3.80.0000.03712.02
4.3.70.0070.01312.02
4.3.60.0000.03312.02
4.3.50.0000.03712.02
4.3.40.0000.05312.02
4.3.30.0030.02712.02
4.3.20.0000.03712.02
4.3.10.0000.02712.02
4.3.00.0000.03012.02

preferences:
131.16 ms | 1398 KiB | 7 Q