3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = ''; var_dump(bin2hex($input)); var_dump( $input ); var_dump( iconv(mb_detect_encoding($input, mb_detect_order(), true), "UTF-8", $input) );

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)
8.3.60.0070.01116.63
8.3.50.0170.00521.14
8.3.40.0070.00718.55
8.3.30.0100.01018.59
8.3.20.0080.00020.16
8.3.10.0040.00423.66
8.3.00.0040.00417.91
8.2.180.0110.00716.63
8.2.170.0070.00722.96
8.2.160.0100.00720.43
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00317.63
8.2.110.0040.00822.20
8.2.100.0120.00017.93
8.2.90.0040.00418.89
8.2.80.0040.00417.97
8.2.70.0080.00017.50
8.2.60.0000.00817.80
8.2.50.0040.00418.07
8.2.40.0040.00421.04
8.2.30.0000.00720.50
8.2.20.0030.00517.59
8.2.10.0080.00018.05
8.2.00.0030.00618.04
8.1.280.0100.01025.92
8.1.270.0040.00423.99
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0030.00622.45
8.1.230.0040.00719.13
8.1.220.0030.00517.74
8.1.210.0030.00518.77
8.1.200.0000.00917.35
8.1.190.0060.00317.13
8.1.180.0050.00318.10
8.1.170.0050.00318.40
8.1.160.0030.00522.02
8.1.150.0060.00318.80
8.1.140.0080.00019.21
8.1.130.0070.00017.68
8.1.120.0040.00417.37
8.1.110.0000.00717.44
8.1.100.0050.00217.47
8.1.90.0040.00417.47
8.1.80.0000.00817.39
8.1.70.0000.00717.33
8.1.60.0000.00817.56
8.1.50.0080.00017.50
8.1.40.0080.00017.54
8.1.30.0000.00917.66
8.1.20.0030.00517.55
8.1.10.0030.00517.41
8.1.00.0060.00317.41
8.0.300.0040.00418.77
8.0.290.0000.00816.75
8.0.280.0000.00818.44
8.0.270.0040.00417.27
8.0.260.0000.00617.25
8.0.250.0050.00316.89
8.0.240.0030.00316.96
8.0.230.0000.00716.99
8.0.220.0030.00316.91
8.0.210.0020.00516.93
8.0.200.0030.00316.97
8.0.190.0080.00016.94
8.0.180.0000.00716.93
8.0.170.0000.00816.88
8.0.160.0040.00416.88
8.0.150.0000.00716.82
8.0.140.0030.00416.73
8.0.130.0030.00313.30
8.0.120.0030.00716.86
8.0.110.0060.00317.03
8.0.100.0040.00416.92
8.0.90.0040.00416.98
8.0.80.0030.01717.07
8.0.70.0030.00616.96
8.0.60.0040.00416.88
8.0.50.0000.00917.06
8.0.30.0110.01117.21
8.0.20.0050.01517.40
8.0.10.0030.00616.91
8.0.00.0090.01016.76
7.4.330.0030.00315.08
7.4.320.0030.00316.43
7.4.300.0030.00316.57
7.4.290.0050.00216.61
7.4.280.0000.00916.64
7.4.270.0030.00316.49
7.4.260.0000.00716.47
7.4.250.0030.00616.62
7.4.240.0040.00516.60
7.4.230.0000.00816.44
7.4.220.0140.01016.77
7.4.210.0000.01616.74
7.4.200.0040.00416.81
7.4.160.0080.01116.52
7.4.150.0070.01317.40
7.4.140.0060.01417.86
7.4.130.0100.00816.56
7.4.120.0120.01116.49
7.4.110.0060.01616.63
7.4.100.0210.00616.60
7.4.90.0100.01716.65
7.4.80.0130.00619.39
7.4.70.0130.00816.34
7.4.60.0070.01116.20
7.4.50.0060.00816.18
7.4.40.0100.01516.26
7.4.30.0000.01716.33
7.4.20.0140.00416.39
7.4.10.0040.01416.18
7.4.00.0070.01215.47
7.3.330.0000.00513.01
7.3.320.0030.00313.15
7.3.310.0030.00616.17
7.3.300.0000.00816.13
7.3.290.0100.00616.38
7.3.280.0130.00916.41
7.3.270.0060.01217.40
7.3.260.0030.01616.28
7.3.250.0120.00816.47
7.3.240.0070.01716.52
7.3.230.0090.00916.64
7.3.210.0050.01416.31
7.3.200.0130.00616.51
7.3.190.0120.00716.29
7.3.180.0100.00816.15
7.3.170.0120.00916.37
7.3.160.0090.01516.33
7.3.150.0070.01116.22
7.3.140.0100.01416.31
7.3.130.0060.01616.23
7.3.120.0070.01315.68
7.3.110.0100.01015.53
7.3.100.0050.01515.49
7.3.90.0090.01315.59
7.3.80.0050.01315.60
7.3.70.0080.00615.60
7.3.60.0070.00915.37
7.3.50.0100.00715.49
7.3.40.0100.01015.39
7.3.30.0090.00715.67
7.3.20.0080.00916.58
7.3.10.0060.01016.62
7.3.00.0080.00916.58
7.2.330.0070.01316.70
7.2.320.0040.01916.59
7.2.310.0030.01616.40
7.2.300.0130.01316.53
7.2.290.0100.01316.69
7.2.280.0080.01116.34
7.2.270.0090.00916.31
7.2.260.0110.00816.42
7.2.250.0110.00915.77
7.2.240.0090.01215.50
7.2.230.0090.01315.52
7.2.220.0060.01415.65
7.2.210.0050.01015.67
7.2.200.0050.01115.80
7.2.190.0060.01115.77
7.2.180.0080.01115.71
7.2.170.0040.01115.57
7.2.160.0140.00816.41
7.2.150.0100.01016.46
7.2.140.0330.01316.34
7.2.130.0070.01316.52
7.2.120.0070.00916.68
7.2.110.0040.01016.65
7.2.100.0050.01116.71
7.2.90.0070.01016.61
7.2.80.0050.01116.65
7.2.70.0050.00916.57
7.2.60.0090.01016.75
7.2.50.0140.01216.80
7.2.40.0080.01016.68
7.2.30.0100.01116.79
7.2.20.0050.01116.63
7.2.10.0050.00816.59
7.2.00.0060.00917.47
7.1.330.0150.00915.71
7.1.320.0190.00415.78
7.1.310.0160.00615.77
7.1.300.0100.01515.97
7.1.290.0110.01315.60
7.1.280.0150.00915.61
7.1.270.0130.01015.71
7.1.260.0130.00815.80
7.1.250.0130.00615.69
7.1.240.0220.00915.65
7.1.230.0180.01815.79
7.1.220.0180.01515.70
7.1.210.0200.01015.63
7.1.200.0120.00915.62
7.1.190.0240.00715.58
7.1.180.0160.01615.64
7.1.170.0270.00615.67
7.1.160.0160.02015.61
7.1.150.0230.00615.52
7.1.140.0230.01015.64
7.1.130.0340.00615.72
7.1.120.0210.00715.59
7.1.110.0190.01115.70
7.1.100.0110.01316.90
7.1.90.0190.00915.60
7.1.80.0220.00715.65
7.1.70.0070.01416.29
7.1.60.0180.01217.54
7.1.50.0130.01216.33
7.1.40.0290.00315.61
7.1.30.0240.00715.63
7.1.20.0220.00915.79
7.1.10.0220.01115.71
7.1.00.0100.04519.12
7.0.330.0240.01015.45
7.0.320.0150.01515.52
7.0.310.0180.01115.48
7.0.300.0190.00815.28
7.0.290.0170.01015.32
7.0.280.0190.01015.34
7.0.270.0220.00915.31
7.0.260.0190.01115.34
7.0.250.0210.00915.29
7.0.240.0270.00015.46
7.0.230.0320.01015.61
7.0.220.0190.00915.33
7.0.210.0200.00815.37
7.0.200.0210.00915.19
7.0.190.0150.01515.61
7.0.180.0260.00315.39
7.0.170.0260.00615.37
7.0.160.0170.01215.57
7.0.150.0160.01315.39
7.0.140.0220.00615.51
7.0.130.0160.01615.29
7.0.120.0140.01815.32
7.0.110.0280.01615.18
7.0.100.0210.01115.38
7.0.90.0210.00915.30
7.0.80.0250.00415.39
7.0.70.0100.01615.43
7.0.60.0120.03617.70
7.0.50.0120.03816.62
7.0.40.0160.02417.71
7.0.30.0220.02417.80
7.0.20.0270.01817.73
7.0.10.0140.02717.75
7.0.00.0120.05117.79
5.6.400.0170.01416.20
5.6.390.0190.01215.81
5.6.380.0200.01015.86
5.6.370.0180.01215.77
5.6.360.0200.01015.93
5.6.350.0090.02216.13
5.6.340.0200.01215.98
5.6.330.0150.01516.14
5.6.320.0110.02115.79
5.6.310.0200.01015.82
5.6.300.0120.01915.85
5.6.290.0250.00615.90
5.6.280.0120.02418.43
5.6.270.0110.02215.86
5.6.260.0190.01116.00
5.6.250.0110.02516.08
5.6.240.0230.01015.91
5.6.230.0120.01716.13
5.6.220.0120.01815.80
5.6.210.0140.04318.27
5.6.200.0110.03317.23
5.6.190.0140.02518.34
5.6.180.0240.04718.15
5.6.170.0240.04318.31
5.6.160.0140.05018.24
5.6.150.0100.03517.06
5.6.140.0170.03617.14
5.6.130.0140.04817.05
5.6.120.0130.05018.53
5.6.110.0090.03818.51
5.6.100.0130.04018.63
5.6.90.0080.03018.64
5.6.80.0130.03818.14
5.6.70.0150.01816.02
5.6.60.0220.00715.86
5.6.50.0140.01415.73
5.6.40.0210.00815.84
5.6.30.0200.00815.95
5.6.20.0160.01315.89
5.6.10.0170.01115.82
5.6.00.0180.00915.82
5.5.380.0170.01315.95
5.5.370.0170.01315.65
5.5.360.0120.01615.82
5.5.350.0100.03718.11
5.5.340.0100.03917.09
5.5.330.0140.02418.18
5.5.320.2050.02318.24
5.5.310.0150.03318.21
5.5.300.0170.04516.96
5.5.290.0140.03917.04
5.5.280.0100.05218.43
5.5.270.0150.04518.48
5.5.260.0140.04018.50
5.5.250.0110.02618.33
5.5.240.0120.03718.12
5.5.230.0230.00715.86
5.5.220.0220.00715.74
5.5.210.0140.01415.76
5.5.200.0200.01015.85
5.5.190.0170.01115.70
5.5.180.0180.01115.72
5.5.170.0150.01515.61
5.5.160.0190.00815.81
5.5.150.0140.01415.85
5.5.140.0180.01115.91
5.5.130.0190.00815.51
5.5.120.0140.01415.88
5.5.110.0170.01015.84
5.5.100.0110.01515.67
5.5.90.0160.01115.82
5.5.80.0100.01615.73
5.5.70.0170.01015.72
5.5.60.0190.00915.75
5.5.50.0110.01715.93
5.5.40.0210.00715.75
5.5.30.0190.01115.91
5.5.20.0190.01215.75
5.5.10.0110.01715.48
5.5.00.0120.02115.57
5.4.450.0480.03216.06
5.4.440.0410.03215.82
5.4.430.0500.03116.09
5.4.420.0500.04015.81
5.4.410.0460.04415.88
5.4.400.0500.03615.66
5.4.390.0390.03815.62
5.4.380.0460.03815.67
5.4.370.0540.03015.90
5.4.360.0480.04015.67
5.4.350.0570.02515.91
5.4.340.0520.03815.95
5.4.330.0140.00712.38
5.4.320.0520.03415.68
5.4.310.0500.03515.75
5.4.300.0640.03315.62
5.4.290.0510.03515.85
5.4.280.0570.04115.86
5.4.270.0510.04015.71
5.4.260.0550.03815.74
5.4.250.0490.03316.02
5.4.240.0530.03715.86
5.4.230.0520.04115.83
5.4.220.0370.03515.86
5.4.210.0530.03415.82
5.4.200.0440.04715.77
5.4.190.0550.04115.67
5.4.180.0410.03115.83
5.4.170.0480.03315.88
5.4.160.0450.02815.95
5.4.150.0390.03615.88
5.4.140.0450.03314.37
5.4.130.0390.03014.51
5.4.120.0400.03014.45
5.4.110.0410.02914.52
5.4.100.0470.02914.55
5.4.90.0360.03414.69
5.4.80.0520.03014.33
5.4.70.0240.03114.55
5.4.60.0070.03614.59
5.4.50.0130.01714.44
5.4.40.0200.03914.51
5.4.30.0220.01814.57
5.4.20.0190.02214.54
5.4.10.0130.00712.53
5.4.00.0110.01112.45

preferences:
55.96 ms | 401 KiB | 5 Q