3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo --'a';

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)
5.4.310.0070.05212.49
5.4.300.0080.04812.50
5.4.290.0080.05212.49
5.4.280.0100.04412.39
5.4.270.0150.03912.39
5.4.260.0100.03312.39
5.4.250.0060.04112.39
5.4.240.0060.03612.39
5.4.230.0060.03912.38
5.4.220.0060.03612.38
5.4.210.0060.03612.38
5.4.200.0050.05112.38
5.4.190.0070.03512.38
5.4.180.0090.03412.38
5.4.170.0040.03912.39
5.4.160.0100.03212.38
5.4.150.0050.03812.38
5.4.140.0080.03812.07
5.4.130.0060.03612.05
5.4.120.0070.03512.02
5.4.110.0050.03712.01
5.4.100.0050.03612.01
5.4.90.0080.03512.01
5.4.80.0040.03912.01
5.4.70.0040.04312.01
5.4.60.0040.03612.01
5.4.50.0060.03512.00
5.4.40.0090.03212.00
5.4.30.0040.03811.99
5.4.20.0060.03411.99
5.4.10.0080.03211.99
5.4.00.0060.03711.48
5.3.280.0080.04112.71
5.3.270.0040.04312.72
5.3.260.0050.04112.72
5.3.250.0060.03812.72
5.3.240.0070.03712.72
5.3.230.0120.03312.71
5.3.220.0090.03812.68
5.3.210.0050.04112.68
5.3.200.0060.04112.68
5.3.190.0060.03912.68
5.3.180.0060.03712.67
5.3.170.0070.03712.67
5.3.160.0050.04112.68
5.3.150.0070.03812.67
5.3.140.0040.04012.66
5.3.130.0090.03812.66
5.3.120.0080.04612.65
5.3.110.0050.03912.65
5.3.100.0060.03712.12
5.3.90.0070.03512.09
5.3.80.0060.03612.07
5.3.70.0060.03612.07
5.3.60.0070.03612.07
5.3.50.0050.03712.00
5.3.40.0030.03912.00
5.3.30.0070.03411.95
5.3.20.0060.03411.73
5.3.10.0050.03511.70
5.3.00.0050.03711.68
5.2.170.0060.0299.18
5.2.160.0030.0319.18
5.2.150.0070.0289.18
5.2.140.0060.0309.18
5.2.130.0070.0289.14
5.2.120.0050.0319.14
5.2.110.0040.0309.14
5.2.100.0030.0329.14
5.2.90.0060.0279.14
5.2.80.0070.0279.14
5.2.70.0060.0349.14
5.2.60.0030.0329.09
5.2.50.0030.0329.06
5.2.40.0050.0339.03
5.2.30.0050.0299.01
5.2.20.0070.0269.00
5.2.10.0060.0278.93
5.2.00.0060.0288.79
5.1.60.0030.0258.07
5.1.50.0050.0258.07
5.1.40.0030.0268.05
5.1.30.0050.0258.40
5.1.20.0050.0258.41
5.1.10.0040.0268.14
5.1.00.0040.0258.14
5.0.50.0020.0216.62
5.0.40.0080.0146.48
5.0.30.0060.0286.29
5.0.20.0020.0216.26
5.0.10.0040.0206.23
5.0.00.0080.0276.23
4.4.90.0010.0174.78
4.4.80.0020.0174.75
4.4.70.0010.0184.75
4.4.60.0030.0154.75
4.4.50.0040.0184.77
4.4.40.0040.0244.70
4.4.30.0040.0144.76
4.4.20.0030.0154.85
4.4.10.0050.0134.84
4.4.00.0020.0274.76
4.3.110.0020.0174.67
4.3.100.0030.0154.67
4.3.90.0010.0164.63
4.3.80.0040.0234.58
4.3.70.0020.0154.63
4.3.60.0030.0144.63
4.3.50.0020.0154.63
4.3.40.0020.0244.54
4.3.30.0030.0153.29
4.3.20.0010.0173.27
4.3.10.0010.0173.22
4.3.00.0070.01315.90

preferences:
152.87 ms | 1394 KiB | 7 Q