3v4l.org

run code in 300+ PHP versions simultaneously
<?php $encodedSecret = "3d3d516343746d4d6d6c315669563362"; $decodedSecret = base64_encode(strrev(hex2bin($encodedSecret))); print $decodedSecret;

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)
8.3.60.0140.00718.08
8.3.50.0140.01021.08
8.3.40.0120.00318.66
8.3.30.0110.00320.18
8.3.20.0060.00320.39
8.3.10.0000.00820.92
8.3.00.0040.00423.71
8.2.180.0140.00716.38
8.2.170.0140.00022.96
8.2.160.0100.00320.52
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0030.00520.94
8.2.110.0030.00720.54
8.2.100.0070.00417.91
8.2.90.0090.00019.05
8.2.80.0040.00417.97
8.2.70.0100.00017.63
8.2.60.0040.00417.92
8.2.50.0000.00818.10
8.2.40.0100.00020.59
8.2.30.0030.00519.24
8.2.20.0050.00217.76
8.2.10.0040.00417.75
8.2.00.0080.00017.75
8.1.280.0110.00725.92
8.1.270.0070.00023.99
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0140.00723.96
8.1.230.0110.00020.29
8.1.220.0030.00617.79
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0040.00417.23
8.1.180.0000.00718.10
8.1.170.0050.00318.50
8.1.160.0030.00518.82
8.1.150.0000.00820.32
8.1.140.0050.00317.35
8.1.130.0000.00717.81
8.1.120.0040.00417.39
8.1.110.0040.00417.45
8.1.100.0040.00417.34
8.1.90.0040.00417.34
8.1.80.0030.00517.26
8.1.70.0070.00017.29
8.1.60.0040.00417.44
8.1.50.0030.00517.48
8.1.40.0000.00817.49
8.1.30.0070.00017.59
8.1.20.0050.00317.47
8.1.10.0050.00217.42
8.1.00.0040.00417.33
8.0.300.0040.00418.77
8.0.290.0050.00216.75
8.0.280.0030.00318.52
8.0.270.0050.00317.12
8.0.260.0070.00316.86
8.0.250.0040.00416.88
8.0.240.0070.00016.98
8.0.230.0000.00716.89
8.0.220.0000.00716.86
8.0.210.0060.00016.86
8.0.200.0020.00516.80
8.0.190.0080.00016.85
8.0.180.0040.00416.83
8.0.170.0050.00316.84
8.0.160.0040.00416.95
8.0.150.0000.00716.62
8.0.140.0000.01016.67
8.0.130.0030.00313.27
8.0.120.0030.00516.84
8.0.110.0030.00316.69
8.0.100.0040.00416.62
8.0.90.0000.00716.73
8.0.80.0070.00716.86
8.0.70.0000.00816.84
8.0.60.0000.00816.86
8.0.50.0000.00716.84
8.0.30.0070.01117.09
8.0.20.0130.00417.40
8.0.10.0040.00416.89
8.0.00.0080.01016.65
7.4.330.0050.00016.81
7.4.320.0070.00016.54
7.4.300.0040.00416.54
7.4.290.0070.00016.52
7.4.280.0080.00016.56
7.4.270.0040.00416.43
7.4.260.0020.00213.16
7.4.250.0000.00816.39
7.4.240.0070.00016.52
7.4.230.0040.00416.34
7.4.220.0090.00916.46
7.4.210.0100.00616.48
7.4.200.0040.00416.56
7.4.190.0070.00016.38
7.4.160.0030.01316.24
7.4.150.0110.01117.40
7.4.140.0070.01017.86
7.4.130.0130.00516.41
7.4.120.0120.00616.35
7.4.110.0000.01616.34
7.4.100.0080.00816.35
7.4.90.0150.00616.38
7.4.80.0120.00919.39
7.4.70.0210.00016.27
7.4.60.0120.00616.59
7.4.50.0000.00816.51
7.4.40.0030.01322.77
7.4.30.0130.01016.57
7.4.00.0090.00414.96
7.3.330.0000.00713.07
7.3.320.0050.00013.13
7.3.310.0070.00016.19
7.3.300.0060.00016.24
7.3.290.0070.00716.16
7.3.280.0070.01216.15
7.3.270.0090.00617.40
7.3.260.0080.01118.24
7.3.250.0110.01016.26
7.3.240.0100.00616.13
7.3.230.0050.01116.39
7.3.210.0130.00316.25
7.3.200.0110.00819.39
7.3.190.0000.01716.39
7.3.180.0130.00316.14
7.3.170.0030.01316.40
7.3.160.0100.00616.28
7.3.120.0000.01414.85
7.2.330.0100.00716.30
7.2.320.0130.00916.62
7.2.310.0140.01116.51
7.2.300.0100.01316.27
7.2.290.0030.01216.41
7.2.60.0110.00416.60
7.2.00.0030.01318.94
7.1.200.0040.00715.79
7.1.100.0070.00318.10
7.1.70.0040.00817.25
7.1.60.0140.01019.17
7.1.50.0040.00816.74
7.1.00.0030.05722.27
7.0.200.0100.00716.57
7.0.140.0030.07322.21
7.0.60.0100.06319.79
7.0.50.0130.07717.79
7.0.40.0070.08720.09
7.0.30.0500.07020.12
7.0.20.0230.04020.12
7.0.10.0130.08020.21
7.0.00.0030.05320.01
5.6.280.0030.07021.07
5.6.210.0070.08020.61
5.6.200.0030.07718.16
5.6.190.0130.07020.57
5.6.180.0300.08320.77
5.6.170.0270.08020.52
5.6.160.0030.04020.40
5.6.150.0070.05718.21
5.6.140.0130.06718.17
5.6.130.0030.05718.12
5.6.120.0000.04321.02
5.6.110.0070.08720.98
5.6.100.0200.07021.03
5.6.90.0170.07720.99
5.6.80.0000.04320.34
5.5.350.0100.03320.37
5.5.340.0070.07717.92
5.5.330.0070.08320.20
5.5.320.0230.04320.29
5.5.310.0200.04020.27
5.5.300.0030.06017.96
5.5.290.0070.03717.98
5.5.280.0130.07720.84
5.5.270.0170.07020.93
5.5.260.0100.07720.88
5.5.250.0130.07720.58
5.5.240.0270.06320.27
5.4.450.0200.03719.14
5.4.440.0200.03719.41
5.4.430.0200.07319.48
5.4.420.0230.03319.42
5.4.410.0230.03319.01
5.4.400.0230.05719.25
5.4.390.0300.06719.08
5.4.380.0230.03319.25
5.4.370.0230.04019.13
5.4.360.0100.04319.08
5.4.350.0330.04719.09
5.4.340.0200.07719.09
5.4.320.0330.07019.08
5.4.310.0200.06318.80
5.4.300.0170.04719.27
5.4.290.0330.06319.24
5.4.280.0170.08318.93
5.4.270.0200.04318.88
5.4.260.0230.06319.25
5.4.250.0100.04719.08
5.4.240.0130.05018.91
5.4.230.0230.06319.24
5.4.220.0130.06018.88
5.4.210.0130.04018.78
5.4.200.0170.04019.21
5.4.190.0200.07718.78
5.4.180.0300.06319.05
5.4.170.0200.05718.80
5.4.160.0230.05019.06
5.4.150.0170.04319.09
5.4.140.0170.06016.21
5.4.130.0230.03716.45
5.4.120.0130.05716.35
5.4.110.0200.07016.38
5.4.100.0200.06016.39
5.4.90.0100.07016.39
5.4.80.0300.05716.37
5.4.70.0300.05716.39
5.4.60.0200.06716.04
5.4.50.0230.05016.45
5.4.40.0300.06016.17
5.4.30.0230.06016.47
5.4.20.0230.06016.48
5.4.10.0130.04716.03
5.4.00.0270.06015.73
5.3.290.0270.05314.49
5.3.280.0270.07314.54
5.3.270.0270.03714.53
5.3.260.0170.05714.45
5.3.250.0230.03014.44
5.3.240.0200.05014.55
5.3.230.0200.04714.52
5.3.220.0200.05014.42
5.3.210.0300.06314.50
5.3.200.0300.06714.49
5.3.190.0170.07714.41
5.3.180.0170.04014.46
5.3.170.0200.07714.63
5.3.160.0200.05014.51
5.3.150.0270.06314.50
5.3.140.0270.03714.39
5.3.130.0400.03714.47
5.3.120.0300.04014.48
5.3.110.0200.04314.40
5.3.100.0070.06013.89
5.3.90.0200.07013.82
5.3.80.0330.04713.81
5.3.70.0200.07313.79
5.3.60.0200.05713.80
5.3.50.0170.05313.74
5.3.40.0170.07313.99
5.3.30.0270.04313.93
5.3.20.0200.05313.53
5.3.10.0130.03313.70
5.3.00.0200.03013.41
5.2.170.0170.04712.03
5.2.160.0270.03712.03
5.2.150.0130.05312.03
5.2.140.0170.04312.03
5.2.130.0100.03312.03
5.2.120.0170.03312.03
5.2.110.0130.03712.03
5.2.100.0100.03012.03
5.2.90.0130.02712.03
5.2.80.0170.03012.03
5.2.70.0130.02712.03
5.2.60.0070.03312.03
5.2.50.0100.03312.03
5.2.40.0170.02712.03
5.2.30.0100.05012.03
5.2.20.0130.02712.03
5.2.10.0100.02712.03
5.2.00.0130.02312.03
5.1.60.0100.02312.03
5.1.50.0130.02012.03
5.1.40.0100.02312.03
5.1.30.0100.02312.03
5.1.20.0130.02312.03
5.1.10.0100.02312.03
5.1.00.0070.02712.03
5.0.50.0070.02012.03
5.0.40.0030.02312.03
5.0.30.0070.02712.03
5.0.20.0070.01712.03
5.0.10.0070.01712.03
5.0.00.0030.03012.03
4.4.90.0070.01312.03
4.4.80.0030.01712.03
4.4.70.0070.01312.03
4.4.60.0070.01312.03
4.4.50.0030.01712.03
4.4.40.0030.02712.03
4.4.30.0070.01312.03
4.4.20.0030.01712.03
4.4.10.0030.02012.03
4.4.00.0030.02712.03
4.3.110.0070.01712.03
4.3.100.0030.01712.03
4.3.90.0070.01312.03
4.3.80.0000.02712.03
4.3.70.0030.01312.03
4.3.60.0030.01312.03
4.3.50.0030.01712.03
4.3.40.0070.02012.03
4.3.30.0000.01712.03
4.3.20.0000.01712.03
4.3.10.0030.01712.03
4.3.00.0030.01712.03

preferences:
65.52 ms | 401 KiB | 5 Q