3v4l.org

run code in 300+ PHP versions simultaneously
<?php print bin2hex(strrev(base64_encode("3d3d516343746d4d6d6c315669563362"))); print hex2bin(strrev(base64_decode("3d3d516343746d4d6d6c315669563362")));

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)
8.0.0beta10.0060.01216.82
8.0.0alpha30.0040.01416.40
8.0.0alpha20.0060.01016.58
8.0.0alpha10.0090.00916.43
7.4.90.0070.01016.47
7.4.80.0170.00719.39
7.4.70.0090.00616.21
7.4.60.0060.01016.41
7.4.50.0000.00816.29
7.4.40.0140.00316.19
7.4.30.0070.01116.39
7.4.00.0060.00914.96
7.3.210.0160.00316.20
7.3.200.0110.00719.39
7.3.190.0100.00716.32
7.3.180.0100.00616.23
7.3.170.0120.01516.45
7.3.160.0100.00516.32
7.3.120.0090.00614.82
7.3.10.0030.00816.23
7.3.00.0060.00616.57
7.2.330.0130.00316.52
7.2.320.0090.00916.51
7.2.310.0070.01116.54
7.2.300.0030.01316.28
7.2.290.0120.00916.56
7.2.130.0040.01116.74
7.2.120.0070.00416.67
7.2.110.0070.01116.70
7.2.100.0000.01516.92
7.2.90.0100.00716.81
7.2.80.0070.00716.57
7.2.70.0060.00916.53
7.2.60.0040.00916.57
7.2.50.0030.00916.61
7.2.40.0080.00416.75
7.2.30.0030.00716.89
7.2.20.0090.00616.59
7.2.10.0070.01016.91
7.2.00.0090.00016.75
7.1.250.0070.00715.67
7.1.200.0060.00015.64
7.1.70.0000.00716.90
7.1.60.0070.01319.46
7.1.50.0160.00616.89
7.1.00.0030.07722.44
7.0.200.0080.00816.70
7.0.140.0000.07721.99
7.0.70.0100.04321.66
7.0.60.0030.07721.75
7.0.50.0070.05322.14
7.0.40.0070.05019.94
7.0.30.0030.04720.14
7.0.20.0030.06720.11
7.0.10.0070.08320.10
7.0.00.0070.06020.17
5.6.280.0000.07721.12
5.6.220.0070.05720.61
5.6.210.0030.07720.77
5.6.200.0030.06021.04
5.6.190.0100.05721.04
5.6.180.0070.06021.00
5.6.170.0000.09021.11
5.6.160.0000.07021.08
5.6.150.0070.08021.07
5.6.140.0130.07721.03
5.6.130.0070.09021.13
5.6.120.0000.08721.01
5.6.110.0030.08321.09
5.6.100.0070.08321.08
5.6.90.0030.09320.98
5.6.80.0070.07320.38
5.6.70.0030.08020.46
5.6.60.0030.07020.40
5.6.50.0070.08020.31
5.6.40.0030.08320.43
5.6.30.0030.08020.46
5.6.20.0070.05720.30
5.6.10.0070.07720.30
5.6.00.0070.08020.34
5.5.360.0070.08020.33
5.5.350.0030.08320.41
5.5.340.0070.07720.79
5.5.330.0100.04320.75
5.5.320.0030.06720.89
5.5.310.0000.09020.82
5.5.300.0100.08720.87
5.5.290.0000.08720.88
5.5.280.0100.08020.63
5.5.270.0070.07720.78
5.5.260.0100.08320.84
5.5.250.0100.08320.61
5.5.240.0000.05720.27
5.5.230.0000.05020.25
5.5.220.0070.07320.28
5.5.210.0070.05020.29
5.5.200.0030.08019.99
5.5.190.0100.08020.23
5.5.180.0100.08020.07
5.5.160.0030.08320.14
5.5.150.0070.07720.13
5.5.140.0070.07320.22
5.5.130.0030.07020.17
5.5.120.0030.06720.09
5.5.110.0000.04720.13
5.5.100.0000.07020.01
5.5.90.0100.07319.94
5.5.80.0070.05319.94
5.5.70.0130.07020.14
5.5.60.0130.06720.04
5.5.50.0030.05320.05
5.5.40.0030.08020.09
5.5.30.0000.08320.04
5.5.20.0030.06719.91
5.5.10.0000.08720.01
5.5.00.0100.07320.09
5.4.450.0000.09319.45
5.4.440.0070.07019.11
5.4.430.0030.08319.46
5.4.420.0070.07019.38
5.4.410.0070.07719.00
5.4.400.0000.05319.05
5.4.390.0070.07019.05
5.4.380.0070.07719.05
5.4.370.0100.06718.95
5.4.360.0030.07718.96
5.4.350.0030.07719.03
5.4.340.0070.07719.20
5.4.320.0100.07319.23
5.4.310.0070.07018.92
5.4.300.0030.06718.98
5.4.290.0000.07719.22
5.4.280.0130.06319.23
5.4.270.0000.06718.80
5.4.260.0070.05019.03
5.4.250.0070.07318.78
5.4.240.0000.08319.22
5.4.230.0070.07319.22
5.4.220.0070.08018.82
5.4.210.0070.06018.80
5.4.200.0070.06318.84
5.4.190.0000.08018.95
5.4.180.0030.07318.93
5.4.170.0070.04319.08
5.4.160.0100.07319.11
5.4.150.0030.05719.07
5.4.140.0030.06016.34
5.4.130.0000.03716.39
5.4.120.0070.03316.32
5.4.110.0030.03316.43
5.4.100.0030.03316.39
5.4.90.0000.03716.26
5.4.80.0000.03716.28
5.4.70.0070.03016.40
5.4.60.0000.03716.18
5.4.50.0000.05316.28
5.4.40.0000.07316.46
5.4.30.0000.04016.32
5.4.20.0030.05316.22
5.4.10.0070.04716.30
5.4.00.0000.03715.81
5.3.290.0030.07714.48
5.3.280.0100.06014.57
5.3.270.0070.04314.45
5.3.260.0000.08314.54
5.3.250.0070.05714.59
5.3.240.0070.07314.41
5.3.230.0030.06714.58
5.3.220.0000.04014.52
5.3.210.0000.03714.54
5.3.200.0070.03714.52
5.3.190.0030.04714.54
5.3.180.0000.07714.39
5.3.170.0030.05314.55
5.3.160.0000.06314.57
5.3.150.0000.06014.52
5.3.140.0000.03714.54
5.3.130.0000.03714.50
5.3.120.0070.03714.38
5.3.110.0000.03314.54
5.3.100.0000.04014.02
5.3.90.0030.05713.99
5.3.80.0030.03314.00
5.3.70.0030.03713.77
5.3.60.0000.07313.98
5.3.50.0000.05013.80
5.3.40.0000.03713.77
5.3.30.0000.03013.86
5.3.20.0030.02713.45
5.3.10.0030.04013.40
5.3.00.0000.04013.58
5.2.170.0000.03312.79
5.2.160.0030.04012.79
5.2.150.0030.02712.79
5.2.140.0030.02712.79
5.2.130.0030.03312.79
5.2.120.0000.03012.79
5.2.110.0000.02712.79
5.2.100.0000.02712.79
5.2.90.0030.02712.79
5.2.80.0000.02312.79
5.2.70.0000.02312.79
5.2.60.0000.03012.79
5.2.50.0000.03012.79
5.2.40.0030.02312.79
5.2.30.0030.02012.79
5.2.20.0000.02312.79
5.2.10.0000.03012.79
5.2.00.0000.02312.79
5.1.60.0000.02012.79
5.1.50.0000.02312.79
5.1.40.0000.02012.79
5.1.30.0000.02712.79
5.1.20.0030.02312.79
5.1.10.0070.02012.79
5.1.00.0000.02312.79
5.0.50.0030.01712.79
5.0.40.0000.02012.79
5.0.30.0000.03012.79
5.0.20.0000.02312.79
5.0.10.0000.02012.79
5.0.00.0000.03012.79
4.4.90.0000.01712.79
4.4.80.0000.01312.79
4.4.70.0030.02312.79
4.4.60.0000.03312.79
4.4.50.0000.02712.79
4.4.40.0000.02712.79
4.4.30.0000.01712.79
4.4.20.0000.01712.79
4.4.10.0030.01012.79
4.4.00.0000.02712.79
4.3.110.0000.01712.79
4.3.100.0000.01312.79
4.3.90.0000.02012.79
4.3.80.0000.02012.79
4.3.70.0000.01312.79
4.3.60.0000.01312.79
4.3.50.0000.02012.79
4.3.40.0000.04012.79
4.3.30.0000.03712.79
4.3.20.0070.02712.79
4.3.10.0000.03312.79
4.3.00.0000.03712.79