3v4l.org

run code in 300+ PHP versions simultaneously
<?php function encode($string) { return strtolower( implode("", explode("=", str_rot13( base64_encode( str_rot13( base64_encode( $string ) ) ) ) ) ) ); } $test = encode('hallo'); var_dump($test);

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)
8.3.70.0030.01618.18
8.3.60.0040.01116.50
8.3.50.0100.01021.93
8.3.40.0090.00918.59
8.3.30.0100.00318.93
8.3.20.0030.00620.14
8.3.10.0030.00521.72
8.3.00.0030.00619.24
8.2.180.0070.01518.42
8.2.170.0070.01422.96
8.2.160.0060.00622.25
8.2.150.0030.00524.18
8.2.140.0080.00024.66
8.2.130.0030.00526.16
8.2.120.0060.00319.53
8.2.110.0050.00519.35
8.2.100.0060.00617.78
8.2.90.0040.00419.76
8.2.80.0040.00418.09
8.2.70.0080.00017.90
8.2.60.0040.00417.93
8.2.50.0090.00018.10
8.2.40.0000.00820.61
8.2.30.0000.00819.42
8.2.20.0080.00017.55
8.2.10.0000.00817.98
8.2.00.0000.00717.51
8.1.280.0100.00725.92
8.1.270.0040.00418.86
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00622.33
8.1.230.0030.00722.82
8.1.220.0000.00817.74
8.1.210.0070.00418.85
8.1.200.0080.00017.23
8.1.190.0040.00417.10
8.1.180.0090.00018.10
8.1.170.0000.01018.46
8.1.160.0000.00722.18
8.1.150.0000.00718.83
8.1.140.0040.00417.41
8.1.130.0030.00317.70
8.1.120.0050.00317.29
8.1.110.0040.00417.31
8.1.100.0000.00817.39
8.1.90.0040.00417.32
8.1.80.0070.00017.34
8.1.70.0000.00717.30
8.1.60.0090.00017.59
8.1.50.0070.00417.48
8.1.40.0040.00417.57
8.1.30.0000.00717.66
8.1.20.0040.00417.71
8.1.10.0040.00417.40
8.1.00.0000.00917.28
8.0.300.0070.00020.21
8.0.290.0000.00716.58
8.0.280.0050.00218.39
8.0.270.0030.00317.20
8.0.260.0000.00617.10
8.0.250.0000.00716.94
8.0.240.0000.00716.96
8.0.230.0070.00016.78
8.0.220.0030.00316.75
8.0.210.0030.00316.77
8.0.200.0060.00016.80
8.0.190.0000.00716.93
8.0.180.0040.00416.75
8.0.170.0040.00416.86
8.0.160.0040.00416.91
8.0.150.0070.00016.83
8.0.140.0000.00716.79
8.0.130.0030.00313.26
8.0.120.0050.00216.82
8.0.110.0040.00416.72
8.0.100.0040.00416.68
8.0.90.0040.00416.69
8.0.80.0150.00616.83
8.0.70.0070.00016.73
8.0.60.0030.00316.71
8.0.50.0050.00316.77
8.0.30.0100.01417.08
8.0.20.0090.01017.40
8.0.10.0040.00416.96
8.0.00.0090.00916.85
7.4.330.0000.00615.03
7.4.320.0060.00016.53
7.4.300.0000.00616.61
7.4.290.0000.00716.56
7.4.280.0070.00016.57
7.4.270.0000.00716.53
7.4.260.0070.00016.48
7.4.250.0070.00016.55
7.4.240.0030.00316.60
7.4.230.0030.00316.67
7.4.220.0070.01116.47
7.4.210.0080.00616.67
7.4.200.0050.00316.39
7.4.160.0070.00716.50
7.4.150.0080.00817.40
7.4.140.0140.00517.86
7.4.130.0070.01116.42
7.4.120.0060.01216.69
7.4.110.0110.01116.55
7.4.100.0070.01016.24
7.4.90.0070.01016.46
7.4.80.0150.00619.39
7.4.70.0160.00316.22
7.4.60.0060.00916.54
7.4.50.0030.00316.49
7.4.40.0060.01016.47
7.4.30.0140.00316.32
7.4.00.0070.01014.72
7.3.330.0000.00513.08
7.3.320.0000.00513.19
7.3.310.0030.00516.25
7.3.300.0030.00316.16
7.3.290.0030.00316.12
7.3.280.0090.01016.23
7.3.270.0140.01017.40
7.3.260.0100.00716.30
7.3.250.0080.01016.34
7.3.240.0140.00516.30
7.3.230.0160.00016.39
7.3.210.0090.00816.30
7.3.200.0120.00319.39
7.3.190.0070.01416.39
7.3.180.0000.01616.35
7.3.170.0030.01516.56
7.3.160.0030.01316.34
7.3.120.0080.00814.72
7.3.110.0040.00914.80
7.3.100.0050.00814.99
7.3.90.0030.01014.62
7.3.80.0080.00614.67
7.3.70.0060.00314.63
7.3.60.0100.00514.83
7.3.50.0110.00414.63
7.3.40.0070.00414.74
7.3.30.0100.00314.75
7.3.20.0050.00916.37
7.3.10.0060.00916.35
7.3.00.0060.00816.33
7.2.330.0040.01616.32
7.2.320.0050.01116.24
7.2.310.0140.00316.20
7.2.300.0070.01516.56
7.2.290.0140.00816.56
7.2.250.0050.01015.15
7.2.240.0070.01214.91
7.2.230.0090.00714.96
7.2.220.0040.01215.03
7.2.210.0050.00914.76
7.2.200.0020.00814.97
7.2.190.0110.00314.97
7.2.180.0030.00814.86
7.2.170.0050.01014.77
7.2.130.0090.00716.57
7.2.120.0100.00616.54
7.2.110.0050.00916.47
7.2.100.0050.00816.48
7.2.90.0090.01116.37
7.2.80.0080.00816.34
7.2.70.0120.00516.70
7.2.60.0080.00916.31
7.2.50.0130.00316.63
7.2.40.0150.00616.66
7.2.30.0130.00716.73
7.2.20.0120.00516.29
7.2.10.0070.00516.47
7.2.00.0150.00517.41
7.1.330.0080.00515.82
7.1.320.0080.00515.80
7.1.310.0020.00915.86
7.1.300.0050.00815.67
7.1.290.0130.00215.79
7.1.280.0020.01015.62
7.1.270.0090.00615.68
7.1.260.0100.00315.55
7.1.250.0060.00915.40
7.1.100.0030.01317.92
7.1.70.0040.01117.20
7.1.60.0070.01419.46
7.1.50.0040.00816.89
7.1.00.0130.06322.45
7.0.200.0020.00516.67
7.0.140.0000.08022.16
7.0.60.0000.05719.93
7.0.50.0130.07717.85
7.0.40.0070.06020.19
7.0.30.0230.04720.23
7.0.20.0370.06720.09
7.0.10.0030.04720.33
7.0.00.0030.07320.25
5.6.280.0030.07321.13
5.6.210.0130.04320.47
5.6.200.0030.05018.16
5.6.190.0100.07020.77
5.6.180.0330.07020.57
5.6.170.0200.04320.54
5.6.160.0000.04320.44
5.6.150.0030.05318.15
5.6.140.0070.04718.14
5.6.130.0000.04318.18
5.6.120.0030.04720.99
5.6.110.0100.05721.02
5.6.100.0070.08720.98
5.6.90.0030.06020.96
5.6.80.0070.06020.36
5.5.350.0400.06320.35
5.5.340.0030.08717.99
5.5.330.0000.09320.36
5.5.320.0430.07320.42
5.5.310.0370.07320.26
5.5.300.0030.04017.98
5.5.290.0100.04717.99
5.5.280.0130.07720.88
5.5.270.0030.08020.86
5.5.260.0170.06720.82
5.5.250.0070.06020.56
5.5.240.0070.07320.32
5.4.450.0630.05019.43
5.4.440.0530.06719.45
5.4.430.0730.04719.16
5.4.420.0770.04719.61
5.4.410.0470.06319.34
5.4.400.0530.05318.98
5.4.390.1170.06718.61
5.4.380.1030.09018.76
5.4.370.1170.06018.84
5.4.360.1170.07318.48
5.4.350.1230.06318.74
5.4.340.1030.05318.84
5.4.320.1030.05018.52
5.4.310.1030.05018.76
5.4.300.1030.06018.55
5.4.290.1100.05318.52
5.4.280.1000.06318.45
5.4.270.1230.06718.84
5.4.260.0900.06318.64
5.4.250.1170.04018.55
5.4.240.1030.06718.56
5.4.230.1370.06718.79
5.4.220.1170.07018.77
5.4.210.1030.05018.77
5.4.200.1130.07016.80
5.4.190.0930.05018.75
5.4.180.0900.05318.58
5.4.170.0730.07318.61
5.4.160.1070.06718.67
5.4.150.1070.07318.56
5.4.140.0930.06016.23
5.4.130.0800.06016.26
5.4.120.0770.05716.33
5.4.110.0830.07016.33
5.4.100.0870.07016.25
5.4.90.1230.04316.33
5.4.80.0770.06316.40
5.4.70.0930.05716.41
5.4.60.1070.06716.27
5.4.50.0830.05716.29
5.4.40.0670.07016.20
5.4.30.0530.05016.18
5.4.20.1030.05316.41
5.4.10.1170.05016.25
5.4.00.0630.07315.67
5.3.290.0670.07014.69
5.3.280.1000.05314.76
5.3.270.0800.06314.71
5.3.260.0800.05714.77
5.3.250.1030.06014.73
5.3.240.0930.07014.80
5.3.230.0870.05314.70
5.3.220.0570.06014.59
5.3.210.0730.06014.70
5.3.200.0700.04314.70
5.3.190.0670.05314.62
5.3.180.0800.05014.73
5.3.170.0870.05714.78
5.3.160.0770.06714.55
5.3.150.0830.07714.54
5.3.140.0700.06314.58
5.3.130.0770.04714.60
5.3.120.0470.05314.67
5.3.110.0700.06314.59
5.3.100.0800.06714.17
5.3.90.0730.07014.02
5.3.80.0700.07014.04
5.3.70.0900.04714.09
5.3.60.0970.07014.03
5.3.50.0670.06314.07
5.3.40.0770.05313.99
5.3.30.1000.05313.96
5.3.20.0800.06013.73
5.3.10.0930.07013.77
5.3.00.0900.07313.62
5.2.170.0700.05711.17
5.2.160.0670.06311.26
5.2.150.0570.05311.14
5.2.140.0730.04711.38
5.2.130.0700.04711.14
5.2.120.0730.04011.20
5.2.110.0830.05011.12
5.2.100.0670.04711.09
5.2.90.0570.05711.10
5.2.80.0870.05011.21
5.2.70.0600.05711.09
5.2.60.0570.06311.15
5.2.50.0830.03711.05
5.2.40.0630.04311.09
5.2.30.0570.03711.02
5.2.20.0570.06011.06
5.2.10.0570.04010.88
5.2.00.0630.04010.78
5.1.60.0700.04710.20
5.1.50.0570.03310.03
5.1.40.0530.04710.17
5.1.30.0470.04310.52
5.1.20.0630.03310.33
5.1.10.0570.03710.10
5.1.00.0500.04310.11
5.0.50.0400.0338.65
5.0.40.0330.0238.45
5.0.30.0300.0438.40
5.0.20.0300.0308.23
5.0.10.0400.0308.20
5.0.00.0300.0578.19
4.4.90.0370.0175.89
4.4.80.0400.0275.90
4.4.70.0270.0205.90
4.4.60.0200.0235.99
4.4.50.0230.0306.00
4.4.40.0270.0335.89
4.4.30.0370.0205.88
4.4.20.0330.0275.98
4.4.10.0200.0275.95
4.4.00.0270.0475.95
4.3.110.0200.0205.83
4.3.100.0300.0235.89
4.3.90.0330.0235.82
4.3.80.0270.0405.83
4.3.70.0230.0205.83
4.3.60.0330.0275.85
4.3.50.0370.0235.78
4.3.40.0200.0375.76
4.3.30.0100.0235.24
4.3.20.0130.0235.24
4.3.10.0130.0305.24
4.3.00.0130.0279.22

preferences:
43.32 ms | 401 KiB | 5 Q