3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'test'; echo ord($string{0});

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)
8.3.40.0040.01118.73
8.3.30.0100.00318.97
8.3.20.0020.00520.29
8.3.10.0030.00523.65
8.3.00.0080.00017.38
8.2.170.0100.01022.96
8.2.160.0100.00320.37
8.2.150.0000.00724.18
8.2.140.0000.00824.66
8.2.130.0110.00726.16
8.2.120.0000.00821.02
8.2.110.0030.00722.12
8.2.100.0110.00317.53
8.2.90.0000.00919.10
8.2.80.0040.00417.97
8.2.70.0030.00517.38
8.2.60.0070.00317.80
8.2.50.0030.00618.07
8.2.40.0080.00018.03
8.2.30.0070.00017.84
8.2.20.0080.00017.59
8.2.10.0040.00417.91
8.2.00.0000.00717.52
8.1.270.0040.00423.79
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0060.00323.82
8.1.230.0080.00319.16
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.10
8.1.190.0000.00917.10
8.1.180.0090.00018.83
8.1.170.0050.00318.65
8.1.160.0000.00721.98
8.1.150.0000.00718.71
8.1.140.0040.00417.38
8.1.130.0030.00317.75
8.1.120.0030.00317.23
8.1.110.0000.00817.29
8.1.100.0030.00317.34
8.1.90.0000.00717.29
8.1.80.0000.00717.25
8.1.70.0030.00317.34
8.1.60.0060.00317.40
8.1.50.0040.00417.44
8.1.40.0040.00417.44
8.1.30.0050.00317.44
8.1.20.0000.00717.48
8.1.10.0050.00317.37
8.1.00.0050.00317.27
8.0.300.0000.00718.77
8.0.290.0000.00716.63
8.0.280.0030.00318.23
8.0.270.0040.00417.04
8.0.260.0030.00317.14
8.0.250.0030.00316.80
8.0.240.0000.00716.77
8.0.230.0070.00016.92
8.0.220.0060.00016.84
8.0.210.0050.00316.84
8.0.200.0000.00716.87
8.0.190.0040.00416.89
8.0.180.0000.00716.83
8.0.170.0000.00716.75
8.0.160.0040.00316.75
8.0.150.0070.00016.63
8.0.140.0040.00416.77
8.0.130.0000.00613.20
8.0.120.0050.00316.84
8.0.110.0040.00416.76
8.0.100.0000.00716.88
8.0.90.0070.00016.86
8.0.80.0060.00916.86
8.0.70.0030.00616.84
8.0.60.0070.00316.71
8.0.50.0000.00716.88
8.0.30.0060.01616.82
8.0.20.0100.00917.40
8.0.10.0030.00516.93
8.0.00.0130.00516.49
7.4.330.0060.00015.00
7.4.320.0030.00316.52
7.4.300.0060.00016.45
7.4.290.0040.00316.51
7.4.280.0040.00416.52
7.4.270.0060.00316.59
7.4.260.0000.00716.54
7.4.250.0040.00416.51
7.4.240.0060.00116.47
7.4.230.0000.00716.51
7.4.220.0090.00916.61
7.4.210.0080.00716.50
7.4.200.0050.00216.33
7.4.160.0080.00816.55
7.4.150.0060.01217.40
7.4.140.0110.00617.86
7.4.130.0100.00716.61
7.4.120.0060.01116.63
7.4.110.0110.00716.47
7.4.100.0100.00716.32
7.4.90.0100.00616.38
7.4.80.0120.01319.39
7.4.70.0130.00616.46
7.4.60.0190.00016.25
7.4.50.0000.00916.22
7.4.40.0100.00616.49
7.4.30.0080.00916.67
7.4.00.0070.01014.94
7.3.330.0000.00513.10
7.3.320.0000.00612.93
7.3.310.0000.00716.16
7.3.300.0070.00016.05
7.3.290.0070.00716.16
7.3.280.0070.00816.22
7.3.270.0030.01317.40
7.3.260.0130.00316.48
7.3.250.0120.00816.22
7.3.240.0090.00916.33
7.3.230.0160.00816.39
7.3.210.0090.00916.25
7.3.200.0030.01319.39
7.3.190.0120.00716.34
7.3.180.0040.01116.37
7.3.170.0080.00816.27
7.3.160.0060.00916.38
7.3.10.0080.00816.54
7.3.00.0050.00716.52
7.2.330.0090.01016.43
7.2.320.0030.01616.58
7.2.310.0160.00016.67
7.2.300.0030.01316.25
7.2.290.0060.01216.44
7.2.130.0020.01116.73
7.2.120.0050.00716.88
7.2.110.0030.01116.89
7.2.100.0040.01116.81
7.2.90.0030.00816.93
7.2.80.0070.00516.87
7.2.70.0060.00716.69
7.2.60.0070.00816.79
7.2.50.0070.00716.88
7.2.40.0070.00916.81
7.2.30.0090.00616.82
7.2.20.0060.00516.82
7.2.10.0080.00616.55
7.2.00.0050.01017.39
7.1.250.0050.00815.75
7.1.240.0050.00515.64
7.1.230.0040.01115.72
7.1.220.0040.00815.68
7.1.210.0100.00715.64
7.1.200.0090.00315.82
7.1.190.0000.00915.70
7.1.180.0090.00315.85
7.1.170.0030.01015.78
7.1.160.0070.01015.54
7.1.150.0110.00315.88
7.1.140.0030.01015.88
7.1.130.0070.00715.54
7.1.120.0090.00015.73
7.1.110.0000.01115.86
7.1.100.0000.01116.97
7.1.90.0060.00615.65
7.1.80.0060.00915.65
7.1.70.0040.00816.47
7.1.60.0080.01217.63
7.1.50.0110.00816.33
7.1.40.0100.00315.82
7.1.30.0040.00415.50
7.1.20.0080.00415.57
7.1.10.0070.00415.77
7.1.00.0020.04318.94
7.0.330.0000.01415.15
7.0.320.0060.00515.11
7.0.310.0000.01515.32
7.0.300.0000.01115.11
7.0.290.0030.00715.23
7.0.280.0030.00615.07
7.0.270.0000.00715.14
7.0.260.0030.00914.98
7.0.250.0120.00315.45
7.0.240.0040.00415.32
7.0.230.0060.00315.33
7.0.220.0100.00315.31
7.0.210.0030.00915.36
7.0.200.0090.00015.91
7.0.190.0060.00315.38
7.0.180.0060.01015.27
7.0.170.0110.00315.49
7.0.160.0030.01015.13
7.0.150.0040.00815.28
7.0.140.0050.03918.72
7.0.130.0000.01415.30
7.0.120.0060.00315.49
7.0.110.0030.00715.24
7.0.100.0000.00715.21
7.0.90.0000.01215.36
7.0.80.0090.00015.13
7.0.70.0030.00715.34
7.0.60.0050.04217.62
7.0.50.0060.02016.40
7.0.40.0070.04216.69
7.0.30.0140.02216.82
7.0.20.0200.02216.71
7.0.10.0060.02616.68
7.0.00.0140.02416.74
5.6.380.0060.00613.91
5.6.370.0070.00414.04
5.6.360.0080.00414.41
5.6.350.0110.00314.31
5.6.340.0070.00714.09
5.6.330.0070.01014.39
5.6.320.0040.01213.91
5.6.310.0070.00714.54
5.6.300.0070.00614.17
5.6.290.0100.00313.86
5.6.280.0030.05017.54
5.6.270.0120.00314.05
5.6.260.0030.01014.20
5.6.250.0070.00714.15
5.6.240.0030.00714.18
5.6.230.0030.00914.08
5.6.220.0040.00414.23
5.6.210.0070.04317.31
5.6.200.0120.03716.09
5.6.190.0080.04617.40
5.6.180.0160.03617.12
5.6.170.0170.04217.40
5.6.160.0080.04317.31
5.6.150.0030.04416.17
5.6.140.0070.02116.15
5.6.130.0030.04316.14
5.6.120.0140.03817.60
5.6.110.0100.04017.60
5.6.100.0150.03817.88
5.6.90.0050.02517.60
5.6.80.0070.04017.23
5.6.70.0090.00614.18
5.6.60.0070.00714.07
5.6.50.0060.00314.16
5.6.40.0040.00714.30
5.6.30.0040.01114.28
5.6.20.0030.00914.22
5.6.10.0070.00014.37
5.6.00.0000.01214.04
5.5.380.0030.00611.00
5.5.370.0000.00811.15
5.5.360.0030.00311.03
5.5.350.0030.04715.72
5.5.340.0060.04414.59
5.5.330.0050.03815.63
5.5.320.0060.03215.71
5.5.310.0180.04415.69
5.5.300.0070.04114.55
5.5.290.0050.02114.51
5.5.280.0030.03015.88
5.5.270.0080.02815.94
5.5.260.0130.03215.93
5.5.250.0020.02515.82
5.5.240.2130.02115.63
5.5.230.0000.01011.00
5.5.220.0050.00311.00
5.5.210.0070.00411.00
5.5.200.0080.00311.00
5.5.190.0070.00311.00
5.5.180.0060.00011.00
5.5.170.0040.00411.00
5.5.160.0100.00011.00
5.5.150.0110.00011.00
5.5.140.0000.01211.00
5.5.130.0040.00811.00
5.5.120.0030.00311.00
5.5.110.0070.00711.00
5.5.100.0000.00911.00
5.5.90.0000.00711.00
5.5.80.0000.00811.00
5.5.70.0000.00611.00
5.5.60.0060.00311.00
5.5.50.0040.00711.00
5.5.40.0000.01011.00
5.5.30.0000.01111.00
5.5.20.0000.01011.00
5.5.10.0000.01111.00
5.5.00.0000.00811.00
5.4.450.0230.02515.29
5.4.440.0180.02415.21
5.4.430.0050.02215.28
5.4.420.0300.02215.31
5.4.410.0120.02115.16
5.4.400.0200.02415.05
5.4.390.0000.02115.07
5.4.380.0090.03414.80
5.4.370.0050.03314.73
5.4.360.0140.02414.85
5.4.350.0110.02614.84
5.4.340.0080.03314.79
5.4.330.0070.00311.00
5.4.320.0050.01911.73
5.4.310.0060.01911.80
5.4.300.0020.02411.73
5.4.290.0070.02111.73
5.4.280.0080.01711.68
5.4.270.0030.02311.67
5.4.260.0040.02311.68
5.4.250.0060.01911.67
5.4.240.0040.02111.68
5.4.230.0020.02511.67
5.4.220.0060.02511.69
5.4.210.0020.02211.67
5.4.200.0040.02111.67
5.4.190.0040.02311.67
5.4.180.0020.02411.67
5.4.170.0060.02011.68
5.4.160.0050.02111.67
5.4.150.0020.02411.67
5.4.140.0020.02511.51
5.4.130.0020.02211.51
5.4.120.0040.02011.49
5.4.110.0040.01911.48
5.4.100.0060.01811.48
5.4.90.0060.02011.56
5.4.80.0040.02011.48
5.4.70.0050.01911.48
5.4.60.0040.01911.48
5.4.50.0050.01911.48
5.4.40.0020.02311.48
5.4.30.0040.02111.47
5.4.20.0040.02311.48
5.4.10.0050.01911.47
5.4.00.0040.02811.22
5.3.290.0050.02811.90
5.3.280.0020.02711.86
5.3.270.0030.02511.86
5.3.260.0060.02211.86
5.3.250.0070.01811.86
5.3.240.0040.02111.86
5.3.230.0050.02111.86
5.3.220.0050.02311.84
5.3.210.0060.02011.84
5.3.200.0030.02111.84
5.3.190.0050.02111.84
5.3.180.0030.02111.84
5.3.170.0040.01911.83
5.3.160.0040.02111.84
5.3.150.0040.02111.84
5.3.140.0060.01911.83
5.3.130.0060.02111.83
5.3.120.0040.02211.83
5.3.110.0040.02211.83
5.3.100.0050.02211.56
5.3.90.0030.02211.54
5.3.80.0030.02011.54
5.3.70.0020.02311.54
5.3.60.0050.01911.54
5.3.50.0040.02611.50
5.3.40.0020.02211.50
5.3.30.0050.02411.47
5.3.20.0050.02211.36
5.3.10.0050.01811.35
5.3.00.0040.01911.34
5.2.170.0060.01510.09
5.2.160.0040.01610.09
5.2.150.0050.01510.09
5.2.140.0050.01710.09
5.2.130.0040.01810.07
5.2.120.0010.01810.07
5.2.110.0030.01610.07
5.2.100.0040.01610.07
5.2.90.0010.01810.07
5.2.80.0040.01610.07
5.2.70.0040.01410.07
5.2.60.0040.01510.04
5.2.50.0030.01710.03
5.2.40.0020.01810.01
5.2.30.0020.01910.00
5.2.20.0050.01410.00
5.2.10.0040.0159.97
5.2.00.0020.0189.89
5.1.60.0020.0149.54
5.1.50.0050.0139.54
5.1.40.0020.0159.53
5.1.30.0020.0159.70
5.1.20.0040.0159.71
5.1.10.0030.0149.58
5.1.00.0050.0129.58
5.0.50.0030.0118.82
5.0.40.0040.0118.74
5.0.30.0020.0198.65
5.0.20.0000.0158.63
5.0.10.0060.0098.63
5.0.00.0020.0188.62
4.4.90.0030.0077.89
4.4.80.0020.0107.88
4.4.70.0020.0097.88
4.4.60.0020.0107.88
4.4.50.0030.0087.89
4.4.40.0020.0167.86
4.4.30.0020.0137.88
4.4.20.0020.0107.92
4.4.10.0020.0097.93
4.4.00.0010.0147.88
4.3.110.0020.0107.84
4.3.100.0030.0087.83
4.3.90.0010.0107.82
4.3.80.0020.0157.79
4.3.70.0030.0087.82
4.3.60.0010.0107.81
4.3.50.0030.0077.81
4.3.40.0020.0147.77
4.3.30.0030.0097.15
4.3.20.0010.0107.13
4.3.10.0030.0097.12
4.3.00.0000.01013.49

preferences:
38.45 ms | 400 KiB | 5 Q