3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo bin2hex(strrev(base64_encode(123456789))); echo " "; $str = "3d3d516343746d4d6d6c31566956336"; echo $str; echo " "; $b64 = base64_decode($str); echo $b64; echo " "; $strrev = strrev($str); echo $strrev; echo " "; $hex2bin = base64_decode($str); echo $hex2bin; echo " "; echo base64_decode(strrev(hex2bin($str)));

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)
8.3.60.0120.00416.63
8.3.50.0090.00616.50
8.3.40.0120.00618.97
8.3.30.0080.00818.80
8.3.20.0060.00320.32
8.3.10.0040.00421.92
8.3.00.0000.00817.63
8.2.180.0090.00618.50
8.2.170.0040.01122.96
8.2.160.0110.00420.57
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0080.00021.00
8.2.120.0070.00026.35
8.2.110.0040.00721.06
8.2.100.0080.00418.09
8.2.90.0040.00419.23
8.2.80.0000.00818.05
8.2.70.0060.00317.50
8.2.60.0030.00517.93
8.2.50.0040.00418.10
8.2.40.0000.00720.50
8.2.30.0000.00820.95
8.2.20.0050.00318.15
8.2.10.0020.00518.18
8.2.00.0070.00018.20
8.1.280.0190.00025.92
8.1.270.0080.00023.92
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0090.00023.83
8.1.230.0040.00719.16
8.1.220.0080.00017.78
8.1.210.0060.00318.77
8.1.200.0030.00617.22
8.1.190.0040.00417.22
8.1.180.0050.00318.10
8.1.170.0040.00418.50
8.1.160.0040.00419.14
8.1.150.0070.00020.61
8.1.140.0050.00319.59
8.1.130.0050.00518.81
8.1.120.0040.00417.42
8.1.110.0030.00617.39
8.1.100.0000.00817.45
8.1.90.0080.00017.43
8.1.80.0000.00717.49
8.1.70.0030.00317.32
8.1.60.0040.00417.55
8.1.50.0000.00717.39
8.1.40.0040.00417.44
8.1.30.0000.00717.61
8.1.20.0030.00517.52
8.1.10.0040.00417.54
8.1.00.0040.00417.38
8.0.300.0000.00918.77
8.0.290.0000.00716.88
8.0.280.0000.00718.51
8.0.270.0040.00417.33
8.0.260.0000.00816.92
8.0.250.0030.00316.95
8.0.240.0000.00817.11
8.0.230.0030.00617.02
8.0.220.0030.00516.89
8.0.210.0030.00316.94
8.0.200.0060.00016.94
8.0.190.0000.00816.96
8.0.180.0000.00716.96
8.0.170.0050.00317.00
8.0.160.0070.00016.91
8.0.150.0070.00016.84
8.0.140.0040.00416.86
8.0.130.0060.00013.34
8.0.120.0000.00716.93
8.0.110.0000.00716.83
8.0.100.0040.00416.93
8.0.90.0030.00516.72
8.0.80.0080.00816.96
8.0.70.0000.00716.76
8.0.60.0080.00016.81
8.0.50.0040.00416.84
8.0.30.0050.01217.16
8.0.20.0110.00817.40
8.0.10.0040.00417.04
8.0.00.0120.00616.91
7.4.330.0030.00315.55
7.4.320.0060.00016.57
7.4.300.0000.00616.43
7.4.290.0100.00016.54
7.4.280.0000.00816.55
7.4.270.0030.00316.46
7.4.260.0050.00316.57
7.4.250.0000.00816.38
7.4.240.0000.00816.48
7.4.230.0040.00416.50
7.4.220.0060.01216.52
7.4.210.0030.01716.49
7.4.200.0030.00316.56
7.4.160.0050.01116.61
7.4.150.0100.01017.40
7.4.140.0050.01317.86
7.4.130.0110.00716.39
7.4.120.0110.00716.56
7.3.330.0030.00313.21
7.3.320.0030.00313.02
7.3.310.0000.00716.19
7.3.300.0050.00216.36
7.3.290.0080.00516.26
7.3.280.0070.00916.25
7.3.270.0150.00317.40
7.3.260.0080.00816.28
7.3.250.0160.00716.28
7.3.240.0070.01016.38

preferences:
35.58 ms | 401 KiB | 5 Q