3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = ['попа', 'ручка']; var_dump(in_array('', array_keys($arr)); var_dump(in_array('', array_keys($arr), true));

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)
5.4.320.0060.03912.50
5.4.310.0090.03712.49
5.4.300.0090.03912.49
5.4.290.0050.03812.49
5.4.280.0130.03312.39
5.4.270.0100.04412.39
5.4.260.0080.04112.39
5.4.250.0090.04212.39
5.4.240.0060.04012.39
5.4.230.0080.04612.38
5.4.220.0080.04012.38
5.4.210.0080.03712.38
5.4.200.0040.03912.38
5.4.190.0060.04012.38
5.4.180.0090.04212.38
5.4.170.0070.03512.38
5.4.160.0060.03512.38
5.4.150.0060.03612.38
5.4.140.0050.03712.07
5.4.130.0040.04112.05
5.4.120.0090.03212.02
5.4.110.0060.03412.01
5.4.100.0040.03612.01
5.4.90.0060.03712.01
5.4.80.0080.03512.01
5.4.70.0050.03612.01
5.4.60.0050.03512.01
5.4.50.0090.03312.00
5.4.40.0090.03212.00
5.4.30.0040.03711.99
5.4.20.0040.03711.98
5.4.10.0060.03411.99
5.4.00.0040.03711.49
5.3.290.0070.03812.80
5.3.280.0060.03812.71
5.3.270.0070.03812.72
5.3.260.0080.03712.72
5.3.250.0080.03512.72
5.3.240.0040.04212.72
5.3.230.0020.04112.71
5.3.220.0070.03612.68
5.3.210.0090.03612.68
5.3.200.0080.03412.68
5.3.190.0060.03812.68
5.3.180.0120.03612.68
5.3.170.0090.03312.67
5.3.160.0080.03512.67
5.3.150.0060.03912.67
5.3.140.0060.03712.66
5.3.130.0060.03912.66
5.3.120.0070.03712.66
5.3.110.0040.04212.66
5.3.100.0070.03612.12
5.3.90.0100.03212.08
5.3.80.0060.03612.07
5.3.70.0030.03912.08
5.3.60.0060.04112.06
5.3.50.0070.04012.00
5.3.40.0100.04312.00
5.3.30.0050.04211.95
5.3.20.0080.04311.72
5.3.10.0090.03911.70
5.3.00.0090.03411.68
5.2.170.0040.0349.18
5.2.160.0060.0329.18
5.2.150.0050.0359.18
5.2.140.0060.0309.18
5.2.130.0050.0339.14
5.2.120.0030.0329.14
5.2.110.0080.0299.15
5.2.100.0070.0339.14
5.2.90.0070.0299.14
5.2.80.0020.0339.14
5.2.70.0060.0359.14
5.2.60.0050.0399.09
5.2.50.0070.0369.05
5.2.40.0090.0349.03
5.2.30.0040.0329.01
5.2.20.0090.0339.00
5.2.10.0070.0308.93
5.2.00.0060.0358.78
5.1.60.0060.0268.07
5.1.50.0070.0258.06
5.1.40.0040.0278.05
5.1.30.0060.0288.39
5.1.20.0080.0368.42
5.1.10.0040.0268.14
5.1.00.0040.0258.14
5.0.50.0060.0196.63
5.0.40.0070.0226.48
5.0.30.0080.0346.29
5.0.20.0060.0206.27
5.0.10.0050.0236.24
5.0.00.0030.0326.23
4.4.90.0050.0214.78
4.4.80.0050.0154.75
4.4.70.0040.0184.76
4.4.60.0030.0204.75
4.4.50.0030.0214.77
4.4.40.0050.0294.71
4.4.30.0030.0204.76
4.4.20.0020.0204.84
4.4.10.0040.0164.85
4.4.00.0050.0264.76
4.3.110.0060.0154.67
4.3.100.0050.0174.66
4.3.90.0040.0234.64
4.3.80.0040.0244.59
4.3.70.0050.0124.63
4.3.60.0020.0194.63
4.3.50.0030.0154.63
4.3.40.0000.0324.54
4.3.30.0030.0183.28
4.3.20.0020.0153.26
4.3.10.0020.0223.22
4.3.00.0130.0236.98

preferences:
132.91 ms | 1398 KiB | 7 Q