3v4l.org

run code in 300+ PHP versions simultaneously
<?php $bad_char    =  '♥'; $error_msg = "Illegal: $bad_char"; $code   = "I \$♥ PHP"; if ( mb_strpos( $code, $bad_char) ) { echo $error_msg; }

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)
5.4.320.0050.05212.50
5.4.310.0120.05112.50
5.4.300.0110.04012.50
5.4.290.0080.04612.49
5.4.280.0140.04412.39
5.4.270.0080.04412.39
5.4.260.0090.04212.39
5.4.250.0060.04812.39
5.4.240.0100.04012.39
5.4.230.0050.04212.38
5.4.220.0060.04012.38
5.4.210.0070.04012.38
5.4.200.0150.06612.38
5.4.190.0050.05212.38
5.4.180.0050.04212.38
5.4.170.0100.03412.38
5.4.160.0050.03812.38
5.4.150.0080.03912.38
5.4.140.0090.04312.07
5.4.130.0090.03512.05
5.4.120.0070.04412.02
5.4.110.0100.03512.01
5.4.100.0110.03912.01
5.4.90.0090.03912.01
5.4.80.0060.04612.02
5.4.70.0080.04812.00
5.4.60.0100.04912.01
5.4.50.0070.04912.01
5.4.40.0090.04311.99
5.4.30.0120.04011.99
5.4.20.0050.04211.99
5.4.10.0090.03611.99
5.4.00.0050.03911.48
5.3.290.0110.05012.80
5.3.280.0090.04712.71
5.3.270.0100.03812.73
5.3.260.0050.04212.71
5.3.250.0080.03712.71
5.3.240.0080.03912.71
5.3.230.0080.04012.71
5.3.220.0110.04112.68
5.3.210.0150.04312.68
5.3.200.0150.03112.68
5.3.190.0070.04612.68
5.3.180.0080.04012.68
5.3.170.0130.03812.67
5.3.160.0110.03712.67
5.3.150.0060.05312.67
5.3.140.0100.03812.66
5.3.130.0090.05012.65
5.3.120.0070.05212.65
5.3.110.0060.04012.66
5.3.100.0070.03712.12
5.3.90.0080.03812.09
5.3.80.0090.04012.07
5.3.70.0100.03712.07
5.3.60.0080.05112.06
5.3.50.0040.04912.00
5.3.40.0130.04012.00
5.3.30.0110.04511.95
5.3.20.0060.04111.73
5.3.10.0110.03411.70
5.3.00.0080.03811.68
5.2.170.0070.0419.18
5.2.160.0130.0439.18
5.2.150.0090.0379.18
5.2.140.0150.0599.18
5.2.130.0010.0459.14
5.2.120.0040.0419.14
5.2.110.0040.0429.14
5.2.100.0060.0399.14
5.2.90.0080.0339.14
5.2.80.0050.0339.14
5.2.70.0100.0509.14
5.2.60.0040.0349.09
5.2.50.0070.0319.06
5.2.40.0060.0309.03
5.2.30.0060.0319.01
5.2.20.0070.0349.00
5.2.10.0050.0368.93
5.2.00.0100.0358.79
5.1.60.0030.0288.07
5.1.50.0080.0248.06
5.1.40.0050.0298.05
5.1.30.0100.0348.40
5.1.20.0060.0298.41
5.1.10.0120.0468.14
5.1.00.0040.0308.14
5.0.50.0060.0256.62
5.0.40.0070.0226.48
5.0.30.0020.0396.29
5.0.20.0070.0236.27
5.0.10.0040.0246.24
5.0.00.0050.0356.23
4.4.90.0020.0174.78
4.4.80.0050.0154.75
4.4.70.0040.0174.75
4.4.60.0040.0184.76
4.4.50.0060.0254.77
4.4.40.0020.0314.71
4.4.30.0060.0194.76
4.4.20.0020.0214.84
4.4.10.0040.0184.85
4.4.00.0050.0354.76
4.3.110.0070.0194.67
4.3.100.0050.0174.67
4.3.90.0050.0204.63
4.3.80.0010.0294.58
4.3.70.0040.0324.63
4.3.60.0040.0184.63
4.3.50.0030.0194.63
4.3.40.0060.0354.54
4.3.30.0030.0183.28
4.3.20.0040.0213.26
4.3.10.0110.0393.22
4.3.00.0030.0207.13

preferences:
141.4 ms | 1398 KiB | 7 Q