3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(mb_check_encoding('abc', 'Windows-1252')); var_dump(mb_delect_encoding('abc', 'Windows-1252'));

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)
8.3.60.0110.00716.50
8.3.50.0110.01021.97
8.3.40.0030.01318.70
8.3.30.0030.01318.77
8.3.20.0000.00720.21
8.3.10.0070.00723.56
8.3.00.0060.00319.38
8.2.180.0070.01016.88
8.2.170.0110.00422.96
8.2.160.0070.00722.24
8.2.150.0080.00024.18
8.2.140.0050.00224.66
8.2.130.0050.00326.16
8.2.120.0030.00617.50
8.2.110.0030.00621.16
8.2.100.0000.01217.97
8.2.90.0090.00017.91
8.2.80.0120.00017.97
8.2.70.0030.00617.63
8.2.60.0030.00518.05
8.2.50.0000.00818.07
8.2.40.0070.00019.44
8.2.30.0050.00220.61
8.2.20.0040.00417.78
8.2.10.0040.00418.04
8.2.00.0000.00818.23
8.1.280.0090.00625.92
8.1.270.0060.00323.91
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0060.00322.66
8.1.230.0110.00021.01
8.1.220.0000.00817.74
8.1.210.0080.00019.02
8.1.200.0000.01017.48
8.1.190.0040.00417.47
8.1.180.0030.00518.10
8.1.170.0000.00919.16
8.1.160.0070.00021.97
8.1.150.0100.00018.98
8.1.140.0000.00819.54
8.1.130.0030.00317.67
8.1.120.0000.00717.43
8.1.110.0070.00017.54
8.1.100.0040.00417.41
8.1.90.0080.00017.43
8.1.80.0030.00517.53
8.1.70.0040.00417.41
8.1.60.0060.00317.67
8.1.50.0000.00817.54
8.1.40.0040.00417.52
8.1.30.0040.00417.66
8.1.20.0000.00717.66
8.1.10.0000.00717.57
8.1.00.0050.00217.56
8.0.300.0030.00520.08
8.0.290.0000.00816.88
8.0.280.0000.00818.48
8.0.270.0050.00317.35
8.0.260.0050.00217.26
8.0.250.0000.00717.06
8.0.240.0080.00016.96
8.0.230.0000.00716.93
8.0.220.0040.00417.03
8.0.210.0040.00416.91
8.0.200.0020.00517.02
8.0.190.0040.00417.11
8.0.180.0040.00416.91
8.0.170.0050.00216.91
8.0.160.0020.00517.06
8.0.150.0000.00816.83
8.0.140.0070.00016.85
8.0.130.0000.00613.36
8.0.120.0040.00416.97
8.0.110.0000.00716.97
8.0.100.0030.00616.82
8.0.90.0070.00017.03
8.0.80.0060.00916.98
8.0.70.0000.00816.95
8.0.60.0040.00416.91
8.0.50.0000.00716.80
8.0.30.0060.01017.00
8.0.20.0110.00817.40
8.0.10.0030.00517.10
8.0.00.0070.01016.74
7.4.330.0030.00315.08
7.4.320.0060.00016.54
7.4.300.0060.00016.58
7.4.290.0030.00316.59
7.4.280.0000.00816.43
7.4.270.0000.00616.61
7.4.260.0000.00616.57
7.4.250.0030.00516.46
7.4.240.0040.00316.58
7.4.230.0030.00316.48
7.4.220.0090.00916.41
7.4.210.0050.01416.51
7.4.200.0000.00716.52
7.4.160.0030.01316.60
7.4.150.0130.00717.40
7.4.140.0140.00717.86
7.4.130.0120.01016.49
7.4.120.0050.01216.58
7.4.110.0100.00716.67
7.4.100.0090.01116.47
7.4.90.0030.01416.57
7.4.80.0070.01019.39
7.4.70.0060.01116.45
7.4.60.0090.00616.50
7.4.50.0050.00316.69
7.4.40.0120.00416.55
7.4.30.0100.01416.51
7.4.00.0030.01015.23
7.3.330.0000.00513.30
7.3.320.0050.00013.16
7.3.310.0030.00316.45
7.3.300.0000.00716.23
7.3.290.0000.00716.32
7.3.280.0100.00716.33
7.3.270.0140.00417.40
7.3.260.0070.01016.66
7.3.250.0110.00816.46
7.3.240.0080.01216.44
7.3.230.0060.00916.65
7.3.210.0090.00916.33
7.3.200.0040.01116.34
7.3.190.0170.00016.63
7.3.180.0090.00816.64
7.3.170.0060.00916.41
7.3.160.0150.00016.49
7.3.120.0110.00415.11
7.3.110.0040.01215.05
7.3.100.0030.01414.62
7.3.90.0070.00714.66
7.3.80.0060.00915.10
7.3.70.0090.00614.62
7.3.60.0050.00514.60
7.3.50.0040.01114.76
7.3.40.0030.00614.38
7.3.30.0090.00614.88
7.3.20.0070.00716.55
7.3.10.0030.01016.45
7.3.00.0030.01516.75
7.2.330.0100.00716.83
7.2.320.0090.00916.49
7.2.310.0150.00616.63
7.2.300.0040.01916.66
7.2.290.0030.01216.48
7.2.240.0030.01215.15
7.2.230.0070.00415.09
7.2.220.0040.01415.23
7.2.210.0060.00914.72
7.2.200.0060.01014.82
7.2.190.0030.01414.83
7.2.180.0000.01814.86
7.2.170.0090.00615.03
7.2.160.0040.01214.91
7.2.150.0070.00716.87
7.2.140.0040.01116.79
7.2.130.0040.01216.87
7.2.120.0060.00916.83
7.2.110.0030.00716.88
7.2.100.0060.00916.83
7.2.90.0000.01716.91
7.2.80.0060.00616.71
7.2.70.0030.01316.84
7.2.60.0090.00416.96
7.2.50.0120.00316.82
7.2.40.0060.00916.77
7.2.30.0000.01017.00
7.2.20.0030.00716.88
7.2.10.0070.01016.78
7.2.00.0080.00518.17
7.1.330.0070.01015.88
7.1.320.0120.00415.70
7.1.310.0060.00915.49
7.1.300.0040.00815.48
7.1.290.0040.01115.78
7.1.280.0040.01115.61
7.1.270.0000.01315.88
7.1.260.0100.00716.11
7.1.250.0060.00915.99
7.1.200.0060.00015.74
7.1.100.0000.01418.41
7.1.70.0050.00317.23
7.1.60.0100.01419.43
7.1.50.0040.01916.93
7.1.00.0000.08022.45
7.0.200.0250.00715.05
7.0.60.0230.07721.66
7.0.50.0070.04717.66
7.0.40.0070.07019.95
7.0.30.0330.07720.04
7.0.20.0300.04320.18
7.0.10.0070.04020.14
7.0.00.0030.04320.30
5.6.280.0100.05721.06
5.6.210.0000.04320.50
5.6.200.0070.07718.23
5.6.190.0000.05020.56
5.6.180.0400.04320.27
5.6.170.0230.04320.33
5.6.160.0130.03720.50
5.6.150.0070.06318.08
5.6.140.0100.06318.11
5.6.130.0130.07018.20
5.6.120.0100.08321.14
5.6.110.0070.09020.99
5.6.100.0030.08021.07
5.6.90.0100.03721.11
5.6.80.0030.05720.40
5.5.350.0270.07020.38
5.5.340.0030.04318.02
5.5.330.0000.04720.57
5.5.320.0630.06320.30
5.5.310.0230.06720.27
5.5.300.0000.04017.98
5.5.290.0030.08317.93
5.5.280.0030.08720.86
5.5.270.0070.05320.89
5.5.260.0100.08020.93
5.5.250.0100.07020.68
5.5.240.0130.06320.05
5.4.450.0700.05719.46
5.4.440.0770.05319.60
5.4.430.0500.06719.09
5.4.420.0600.05019.46
5.4.410.0330.06719.31
5.4.400.0270.06318.77
5.4.390.0300.07019.16
5.4.380.0330.06018.91
5.4.370.0300.07319.10
5.4.360.0200.06019.16
5.4.350.0100.06718.77
5.4.340.0170.05318.94
5.4.320.0170.05019.13
5.4.310.0270.06319.23
5.4.300.0170.05719.19
5.4.290.0470.06318.79
5.4.280.0600.05319.09
5.4.270.0500.05318.98
5.4.260.0070.06019.09
5.4.250.0270.07018.98
5.4.240.0130.07019.25
5.4.230.0200.05319.17
5.4.220.0170.07718.91
5.4.210.0100.05019.09
5.4.200.0200.04719.26
5.4.190.0230.05719.26
5.4.180.0300.05318.93
5.4.170.0330.05019.07
5.4.160.0270.04019.09
5.4.150.0270.07019.06
5.4.140.0400.04316.29
5.4.130.0400.06016.27
5.4.120.0300.04316.45
5.4.110.0170.05316.28
5.4.100.0330.05316.48
5.4.90.0130.05016.48
5.4.80.0230.06316.41
5.4.70.0270.06316.54
5.4.60.0070.05016.52
5.4.50.0300.05016.51
5.4.40.0530.04716.15
5.4.30.0230.05016.43
5.4.20.0130.05016.46
5.4.10.0270.04316.45
5.4.00.0270.04015.69

preferences:
50.97 ms | 401 KiB | 5 Q