3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "0"; $b =  "0.0"; var_dump( $a == $b ); // true var_dump( empty( $a ) ); // false

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)
5.4.310.0060.04012.49
5.4.300.0080.03712.50
5.4.290.0050.04312.49
5.4.280.0130.04312.39
5.4.270.0060.03812.39
5.4.260.0100.04112.39
5.4.250.0090.04212.39
5.4.240.0090.04712.39
5.4.230.0090.05612.38
5.4.220.0050.04912.38
5.4.210.0060.04312.38
5.4.200.0100.04212.38
5.4.190.0070.04212.38
5.4.180.0080.03512.38
5.4.170.0050.03712.38
5.4.160.0080.03512.38
5.4.150.0110.03212.38
5.4.140.0090.04212.07
5.4.130.0080.04912.05
5.4.120.0060.04412.01
5.4.110.0060.03512.01
5.4.100.0080.04012.01
5.4.90.0100.03612.01
5.4.80.0080.05212.02
5.4.70.0090.04412.00
5.4.60.0040.03812.01
5.4.50.0090.03312.01
5.4.40.0120.04712.00
5.4.30.0050.04111.99
5.4.20.0040.03811.99
5.4.10.0080.03611.99
5.4.00.0090.04211.48
5.3.290.0080.03712.80
5.3.280.0090.04112.71
5.3.270.0060.04212.72
5.3.260.0100.03912.71
5.3.250.0050.04012.71
5.3.240.0050.04112.72
5.3.230.0070.03812.70
5.3.220.0120.05012.68
5.3.210.0130.04412.68
5.3.200.0100.04112.68
5.3.190.0100.04012.67
5.3.180.0070.04512.67
5.3.170.0060.04712.67
5.3.160.0070.03712.67
5.3.150.0090.05212.67
5.3.140.0070.04812.66
5.3.130.0060.03812.66
5.3.120.0050.04412.66
5.3.110.0080.03712.66
5.3.100.0050.04012.12
5.3.90.0060.05112.08
5.3.80.0080.04412.08
5.3.70.0080.03912.07
5.3.60.0040.04012.07
5.3.50.0100.03412.00
5.3.40.0070.04912.00
5.3.30.0090.03711.95
5.3.20.0070.03711.73
5.3.10.0080.03511.70
5.3.00.0070.03811.68
5.2.170.0050.0339.18
5.2.160.0060.0299.18
5.2.150.0040.0329.18
5.2.140.0070.0299.18
5.2.130.0100.0289.14
5.2.120.0030.0339.14
5.2.110.0040.0309.14
5.2.100.0080.0389.14
5.2.90.0090.0449.14
5.2.80.0100.0449.14
5.2.70.0080.0379.14
5.2.60.0050.0329.10
5.2.50.0090.0289.06
5.2.40.0040.0319.04
5.2.30.0070.0329.01
5.2.20.0020.0349.00
5.2.10.0070.0288.93
5.2.00.0030.0318.78
5.1.60.0100.0248.06
5.1.50.0060.0268.07
5.1.40.0050.0268.04
5.1.30.0040.0288.39
5.1.20.0060.0268.42
5.1.10.0080.0288.14
5.1.00.0060.0268.14
5.0.50.0050.0266.63
5.0.40.0070.0216.48
5.0.30.0030.0326.29
5.0.20.0050.0186.27
5.0.10.0050.0196.24
5.0.00.0040.0326.23
4.4.90.0010.0174.78
4.4.80.0030.0184.75
4.4.70.0050.0134.76
4.4.60.0020.0174.75
4.4.50.0030.0154.77
4.4.40.0020.0264.71
4.4.30.0050.0154.76
4.4.20.0040.0164.84
4.4.10.0050.0154.85
4.4.00.0050.0284.76
4.3.110.0030.0184.67
4.3.100.0050.0164.66
4.3.90.0040.0164.64
4.3.80.0050.0234.58
4.3.70.0060.0114.63
4.3.60.0010.0164.63
4.3.50.0020.0184.63
4.3.40.0030.0244.53
4.3.30.0010.0183.29
4.3.20.0010.0173.25
4.3.10.0040.0143.21
4.3.00.0070.01315.94

preferences:
144.04 ms | 1394 KiB | 7 Q