3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_replace( '/(aeiou).*(dos)/e', "'='.sprintf('%02X', ord('\\1'))", "avelaraeioudos" ); echo ""; echo"" ; echo preg_replace_callback( '/(aeiou).*(dos)/', function ($match) { return "=".sprintf( '%02X', ord($match[1]) ) }), "avelaraeioudos");

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)
5.4.350.0090.04412.04
5.4.340.0090.05512.03
5.4.320.0100.05212.52
5.4.310.0260.11812.51
5.4.300.0360.05412.52
5.4.290.0170.06612.52
5.4.280.0120.06312.41
5.4.270.0340.09912.41
5.4.260.0240.07812.41
5.4.250.0140.07512.41
5.4.240.0180.05612.41
5.4.230.0190.08612.40
5.4.220.0250.09412.40
5.4.210.0240.06412.40
5.4.200.0160.06112.40
5.4.190.0130.06112.40
5.4.180.0100.05912.39
5.4.170.0060.05312.40
5.4.160.0270.07412.40
5.4.150.0220.07012.40
5.4.140.0200.08712.09
5.4.130.0250.10912.07
5.4.120.0170.08412.04
5.4.110.0090.04412.03
5.4.100.0120.06512.03
5.4.90.0210.08612.03
5.4.80.0140.08712.03
5.4.70.0390.14012.03
5.4.60.0180.07912.03
5.4.50.0330.07712.02
5.4.40.0440.16312.01
5.4.30.0110.05512.01
5.4.20.0300.12012.01
5.4.10.0250.07612.01
5.4.00.0090.05911.50
5.3.290.0070.04412.80
5.3.280.0120.07112.71
5.3.270.0230.08412.73
5.3.260.0290.12612.72
5.3.250.0340.08912.72
5.3.240.0100.06012.72
5.3.230.0160.06812.71
5.3.220.0140.05412.68
5.3.210.0150.05412.68
5.3.200.0060.04712.68
5.3.190.0110.04112.67
5.3.180.0070.03712.68
5.3.170.0100.03412.67
5.3.160.0070.03712.67
5.3.150.0090.04412.67
5.3.140.0050.04312.66
5.3.130.0080.04112.66
5.3.120.0070.04612.66
5.3.110.0070.04012.66
5.3.100.0100.03512.13
5.3.90.0100.03612.11
5.3.80.0120.03712.10
5.3.70.0070.04212.10
5.3.60.0090.04712.09
5.3.50.0050.03912.02
5.3.40.0110.03712.02
5.3.30.0140.03211.98
5.3.20.0070.03611.76
5.3.10.0070.03711.73
5.3.00.0080.04311.73
5.2.170.0070.0379.18
5.2.160.0080.0409.19
5.2.150.0070.0329.18
5.2.140.0040.0359.18
5.2.130.0030.0359.14
5.2.120.0040.0319.14
5.2.110.0040.0319.14
5.2.100.0080.0349.14
5.2.90.0040.0449.14
5.2.80.0080.0339.14
5.2.70.0070.0459.14
5.2.60.0070.0379.09
5.2.50.0050.0399.06
5.2.40.0120.0939.04
5.2.30.0110.0559.01
5.2.20.0030.0409.00
5.2.10.0200.0588.93
5.2.00.0170.0668.78
5.1.60.0060.0358.07
5.1.50.0090.0328.07
5.1.40.0110.0268.05
5.1.30.0060.0338.40
5.1.20.0140.0428.42
5.1.10.0200.0398.15
5.1.00.0110.0358.15
5.0.50.0100.0366.62
5.0.40.0060.0216.48
5.0.30.0050.0376.29
5.0.20.0050.0206.26
5.0.10.0370.0346.24
5.0.00.0050.0316.23
4.4.90.0060.0154.78
4.4.80.0060.0174.75
4.4.70.0040.0164.76
4.4.60.0040.0184.76
4.4.50.0030.0174.77
4.4.40.0030.0314.71
4.4.30.0050.0224.75
4.4.20.0040.0154.84
4.4.10.0050.0154.85
4.4.00.0020.0274.76
4.3.110.0040.0164.67
4.3.100.0050.0164.66
4.3.90.0050.0184.63
4.3.80.0050.0354.59
4.3.70.0060.0274.63
4.3.60.0040.0244.63
4.3.50.0060.0174.63
4.3.40.0040.0284.54
4.3.30.0070.0433.28
4.3.20.0040.0263.26
4.3.10.0090.0303.22
4.3.00.0130.0236.86

preferences:
161.9 ms | 1394 KiB | 7 Q