3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = "abc"; puts empty(trim($x));

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)
5.4.320.0070.03912.50
5.4.310.0060.03912.49
5.4.300.0060.04312.50
5.4.290.0080.03612.49
5.4.280.0070.04012.39
5.4.270.0030.04012.39
5.4.260.0080.03512.39
5.4.250.0040.04012.39
5.4.240.0060.04012.39
5.4.230.0040.04112.38
5.4.220.0090.03912.38
5.4.210.0050.03712.38
5.4.200.0080.03612.38
5.4.190.0080.03912.38
5.4.180.0080.04212.38
5.4.170.0070.03812.38
5.4.160.0090.03412.38
5.4.150.0060.04012.38
5.4.140.0080.03812.07
5.4.130.0110.03312.05
5.4.120.0060.03712.01
5.4.110.0070.04112.01
5.4.100.0070.03812.01
5.4.90.0110.05012.01
5.4.80.0090.04812.01
5.4.70.0070.04312.00
5.4.60.0050.04312.01
5.4.50.0100.03512.00
5.4.40.0090.04111.99
5.4.30.0050.03811.99
5.4.20.0080.03411.99
5.4.10.0070.03311.99
5.4.00.0050.03711.48
5.3.290.0070.03812.80
5.3.280.0040.04312.71
5.3.270.0060.05512.72
5.3.260.0070.04112.72
5.3.250.0050.03912.72
5.3.240.0070.04312.72
5.3.230.0070.03912.71
5.3.220.0070.04112.68
5.3.210.0140.04712.68
5.3.200.0100.04312.68
5.3.190.0090.03612.68
5.3.180.0070.03612.67
5.3.170.0030.04112.67
5.3.160.0080.03712.68
5.3.150.0100.04312.67
5.3.140.0080.03512.66
5.3.130.0090.03712.66
5.3.120.0100.05312.66
5.3.110.0090.06412.66
5.3.100.0070.03712.12
5.3.90.0060.03712.08
5.3.80.0100.03712.07
5.3.70.0120.03612.07
5.3.60.0100.03612.06
5.3.50.0100.03612.00
5.3.40.0040.03912.00
5.3.30.0080.03311.95
5.3.20.0090.03711.73
5.3.10.0090.03511.70
5.3.00.0060.03811.68
5.2.170.0080.0369.18
5.2.160.0060.0299.18
5.2.150.0030.0339.18
5.2.140.0040.0329.18
5.2.130.0060.0289.14
5.2.120.0090.0259.14
5.2.110.0050.0309.15
5.2.100.0070.0279.14
5.2.90.0060.0289.14
5.2.80.0060.0339.14
5.2.70.0070.0299.13
5.2.60.0060.0309.09
5.2.50.0060.0299.05
5.2.40.0040.0309.03
5.2.30.0040.0309.01
5.2.20.0060.0309.01
5.2.10.0080.0278.93
5.2.00.0060.0478.78
5.1.60.0080.0298.07
5.1.50.0030.0338.06
5.1.40.0130.0458.05
5.1.30.0050.0378.40
5.1.20.0050.0418.42
5.1.10.0150.0298.14
5.1.00.0060.0288.14
5.0.50.0040.0266.63
5.0.40.0060.0226.48
5.0.30.0230.0806.29
5.0.20.0060.0276.27
5.0.10.0090.0246.24
5.0.00.0030.0336.23
4.4.90.0040.0214.78
4.4.80.0010.0204.76
4.4.70.0060.0304.75
4.4.60.0050.0174.75
4.4.50.0040.0164.77
4.4.40.0030.0274.70
4.4.30.0050.0314.76
4.4.20.0110.0264.85
4.4.10.0030.0164.85
4.4.00.0030.0314.76
4.3.110.0050.0144.67
4.3.100.0030.0154.67
4.3.90.0020.0154.64
4.3.80.0030.0244.58
4.3.70.0050.0164.63
4.3.60.0050.0144.63
4.3.50.0020.0204.62
4.3.40.0030.0344.54
4.3.30.0020.0163.29
4.3.20.0020.0163.26
4.3.10.0040.0193.21
4.3.00.0070.01718.16

preferences:
142.99 ms | 1394 KiB | 7 Q