3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = '1392'; echo $string = mb_convert_encoding($str,"UCS-2LE"); echo intval($string)+1;

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)
8.3.60.0030.01616.75
8.3.50.0060.01521.96
8.3.40.0100.01018.73
8.3.30.0100.00718.91
8.3.20.0060.00320.21
8.3.10.0060.00323.64
8.3.00.0080.00320.64
8.2.180.0110.01116.35
8.2.170.0110.00322.96
8.2.160.0140.00720.24
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0000.00726.16
8.2.120.0070.00022.11
8.2.110.0070.00322.25
8.2.100.0090.00317.84
8.2.90.0030.00619.10
8.2.80.0030.00618.05
8.2.70.0040.00417.61
8.2.60.0000.00717.93
8.2.50.0040.00418.07
8.2.40.0040.00418.22
8.2.30.0050.00318.16
8.2.20.0080.00017.76
8.2.10.0000.00717.61
8.2.00.0000.00817.71
8.1.280.0110.00325.92
8.1.270.0070.00722.07
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00724.00
8.1.230.0050.00919.03
8.1.220.0050.00217.79
8.1.210.0040.00418.77
8.1.200.0000.00817.13
8.1.190.0030.00517.53
8.1.180.0040.00418.10
8.1.170.0050.00518.32
8.1.160.0060.00322.06
8.1.150.0040.00418.50
8.1.140.0070.00017.42
8.1.130.0000.00717.73
8.1.120.0040.00417.36
8.1.110.0040.00317.43
8.1.100.0030.00317.42
8.1.90.0040.00417.34
8.1.80.0000.00717.43
8.1.70.0000.00717.40
8.1.60.0050.00317.52
8.1.50.0030.00517.47
8.1.40.0030.00617.55
8.1.30.0000.00817.52
8.1.20.0020.00517.71
8.1.10.0050.00217.45
8.1.00.0040.00417.46
8.0.300.0000.00718.77
8.0.290.0000.00717.28
8.0.280.0000.00718.49
8.0.270.0000.00717.17
8.0.260.0040.00416.98
8.0.250.0000.00717.04
8.0.240.0000.00717.04
8.0.230.0050.00216.98
8.0.220.0000.00716.79
8.0.210.0000.00716.86
8.0.200.0030.00316.85
8.0.190.0000.00816.84
8.0.180.0000.00716.92
8.0.170.0030.00516.88
8.0.160.0040.00416.84
8.0.150.0070.00016.88
8.0.140.0040.00416.86
8.0.130.0060.00013.28
8.0.120.0000.00716.82
8.0.110.0040.00416.85
8.0.100.0000.00916.91
8.0.90.0050.00216.90
8.0.80.0120.00316.84
8.0.70.0040.00416.74
8.0.60.0030.00516.71
8.0.50.0000.00816.79
8.0.30.0100.01217.12
8.0.20.0080.01017.40
8.0.10.0020.00516.85
8.0.00.0090.01016.81
7.4.330.0030.00315.25
7.4.320.0030.00316.66
7.4.300.0060.00016.56
7.4.290.0000.00716.57
7.4.280.0090.00016.67
7.4.270.0000.00716.48
7.4.260.0030.00316.62
7.4.250.0080.00016.59
7.4.240.0050.00316.59
7.4.230.0040.00416.44
7.4.220.0070.01016.68
7.4.210.0060.00816.65
7.4.200.0030.00316.64
7.4.190.0000.00816.69
7.4.160.0080.00816.43
7.4.150.0070.01017.40
7.4.140.0120.00517.86
7.4.130.0120.00516.65
7.4.120.0120.00516.47
7.4.110.0080.00816.51
7.4.100.0030.01716.55
7.4.90.0120.00616.43
7.4.80.0120.00416.48
7.4.70.0060.00916.56
7.4.60.0090.00916.61
7.4.50.0080.00016.44
7.4.40.0060.01022.77
7.4.30.0120.00916.51
7.4.00.0030.01414.91
7.3.330.0020.00213.21
7.3.320.0000.00513.23
7.3.310.0030.00316.45
7.3.300.0030.00316.31
7.3.290.0090.00616.31
7.3.280.0090.01016.26
7.3.270.0030.02017.40
7.3.260.0090.00916.33
7.3.250.0150.00416.38
7.3.240.0090.01216.49
7.3.230.0040.01416.40
7.3.210.0070.01016.48
7.3.200.0070.01019.39
7.3.190.0110.01116.37
7.3.180.0110.00716.54
7.3.170.0090.00616.48
7.3.160.0070.01016.35
7.3.120.0120.00014.61
7.3.00.0040.01116.57
7.2.330.0150.00616.36
7.2.320.0100.01016.60
7.2.310.0120.01116.54
7.2.300.0100.00716.46
7.2.290.0070.01516.57
7.2.130.0060.01017.02
7.2.120.0060.00916.89
7.2.110.0030.00617.02
7.2.100.0000.01016.75
7.2.90.0070.00716.73
7.2.80.0070.00717.03
7.2.70.0000.00916.66
7.2.60.0070.00716.75
7.2.50.0030.00616.78
7.2.40.0060.00617.02
7.2.30.0090.00616.92
7.2.20.0030.00717.03
7.2.10.0080.00816.56
7.2.00.0100.00716.99
7.1.250.0040.01115.49
7.1.240.0070.00715.84
7.1.230.0060.00915.75
7.1.220.0030.00715.65
7.1.210.0070.00715.68
7.1.200.0060.00515.88
7.1.190.0030.00715.79
7.1.180.0070.00715.82
7.1.170.0100.00715.80
7.1.160.0100.00615.67
7.1.150.0030.01015.50
7.1.140.0070.01015.82
7.1.130.0070.00315.74
7.1.120.0080.00015.75
7.1.110.0000.01115.62
7.1.100.0050.00816.89
7.1.90.0090.00615.73
7.1.80.0120.00615.54
7.1.70.0030.00616.50
7.1.60.0070.00917.55
7.1.50.0020.01816.30
7.1.40.0060.00915.73
7.1.30.0070.00715.82
7.1.20.0030.01015.68
7.1.10.0080.00815.85
7.1.00.0050.04019.04
7.0.330.0030.01315.31
7.0.320.0050.00315.37
7.0.310.0060.00615.23
7.0.300.0030.01015.18
7.0.290.0040.00415.54
7.0.280.0100.00315.41
7.0.270.0030.00715.36
7.0.260.0000.01315.31
7.0.250.0040.00715.58
7.0.240.0030.00515.18
7.0.230.0030.00615.40
7.0.220.0060.00615.42
7.0.210.0030.00715.48
7.0.200.0030.00715.76
7.0.190.0030.00615.10
7.0.180.0100.00315.48
7.0.170.0040.01115.32
7.0.160.0040.01115.29
7.0.150.0060.00315.43
7.0.140.0080.03618.66
7.0.130.0060.00315.43
7.0.120.0000.01415.60
7.0.110.0070.00715.48
7.0.100.0070.00715.34
7.0.90.0070.00315.45
7.0.80.0070.00715.46
7.0.70.0100.00315.58
7.0.60.0030.02317.71
7.0.50.0030.02616.51
7.0.40.0070.04916.65
7.0.30.0080.02716.71
7.0.20.0150.04516.63
7.0.10.0190.04216.60
7.0.00.0050.02316.65
5.6.380.0030.01014.14
5.6.370.0090.00314.32
5.6.360.0060.00914.52
5.6.350.0000.01214.16
5.6.340.0060.00814.46
5.6.330.0030.01314.37
5.6.320.0090.00314.30
5.6.310.0030.00614.25
5.6.300.0150.00014.24
5.6.290.0040.01114.11
5.6.280.0050.04017.69
5.6.270.0130.00314.44
5.6.260.0000.00914.56
5.6.250.0060.00314.34
5.6.240.0060.00614.31
5.6.230.0120.00314.44
5.6.220.0000.00914.21
5.6.210.0090.04317.36
5.6.200.0060.04716.08
5.6.190.0060.05017.38
5.6.180.0080.02117.43
5.6.170.0150.02517.37
5.6.160.0030.03217.18
5.6.150.0150.04016.21
5.6.140.0120.04016.20
5.6.130.0050.04216.23
5.6.120.0100.04017.58
5.6.110.0100.02117.74
5.6.100.0100.04017.74
5.6.90.0080.04617.83
5.6.80.0070.03817.41
5.6.70.2320.02217.30
5.6.60.0140.00013.85
5.6.50.0000.00914.39
5.6.40.0090.00614.54
5.6.30.0030.01014.01
5.6.20.0080.00814.15
5.6.10.0030.00614.00
5.6.00.0100.00314.23
5.5.380.0070.00011.60
5.5.370.0030.00511.60
5.5.360.0030.00711.60
5.5.350.0100.04115.95
5.5.340.0050.04514.77
5.5.330.0080.02115.90
5.5.320.0050.04515.94
5.5.310.0170.04115.95
5.5.300.0060.02014.81
5.5.290.0100.02214.76
5.5.280.0030.04516.20
5.5.270.0070.04516.20
5.5.260.0050.04716.22
5.5.250.0070.04016.14
5.5.240.0020.04415.91
5.5.230.0100.00311.60
5.5.220.0110.00011.60
5.5.210.0040.00711.60
5.5.200.0040.00711.60
5.5.190.0070.00011.60
5.5.180.0060.00311.60
5.5.170.0030.00911.60
5.5.160.0070.00011.60
5.5.150.0040.00411.60
5.5.140.0030.01011.60
5.5.130.0030.00311.60
5.5.120.0000.00711.60
5.5.110.0040.00411.60
5.5.100.0000.01111.60
5.5.90.0000.00811.60
5.5.80.0040.00811.60
5.5.70.0040.00811.60
5.5.60.0030.00711.60
5.5.50.0070.00311.60
5.5.40.0070.00711.60
5.5.30.0050.00511.60
5.5.20.0030.00311.60
5.5.10.0090.00311.60
5.5.00.0070.00011.60
5.4.450.0500.02315.50
5.4.440.0220.02515.53
5.4.430.0460.03515.50
5.4.420.0500.02715.54
5.4.410.0520.03515.54
5.4.400.0560.02615.34
5.4.390.0450.04015.45
5.4.380.0130.02815.17
5.4.370.0120.02515.05
5.4.360.0080.02715.12
5.4.350.0110.04015.19
5.4.340.0110.02715.19
5.4.330.0000.01111.60
5.4.320.0040.02312.03
5.4.310.0050.02412.03
5.4.300.0070.02012.03
5.4.290.0050.02512.03
5.4.280.0030.02511.97
5.4.270.0060.02011.97
5.4.260.0050.02211.97
5.4.250.0080.02611.97
5.4.240.0020.02411.97
5.4.230.0060.02711.97
5.4.220.0060.02011.96
5.4.210.0050.02211.97
5.4.200.0060.02011.97
5.4.190.0020.02411.96
5.4.180.0080.02311.96
5.4.170.0070.02111.97
5.4.160.0050.02211.96
5.4.150.0050.02111.96
5.4.140.0040.02311.80
5.4.130.0020.02611.80
5.4.120.0040.02211.78
5.4.110.0100.01611.78
5.4.100.0020.02311.78
5.4.90.0040.02311.78
5.4.80.0070.02711.78
5.4.70.0050.02111.77
5.4.60.0020.02211.78
5.4.50.0040.02111.77
5.4.40.0100.01711.77
5.4.30.0050.02011.77
5.4.20.0060.01911.77
5.4.10.0050.02111.77
5.4.00.0040.02111.51
5.3.290.0060.02212.20
5.3.280.0070.02212.15
5.3.270.0060.02012.16
5.3.260.0080.02112.16
5.3.250.0070.02412.16
5.3.240.0070.02112.16
5.3.230.0050.02512.15
5.3.220.0060.02112.14
5.3.210.0050.02212.14
5.3.200.0040.02312.14
5.3.190.0050.02312.14
5.3.180.0050.02212.14
5.3.170.0040.02212.13
5.3.160.0050.02212.14
5.3.150.0040.02412.14
5.3.140.0060.02012.13
5.3.130.0020.02812.13
5.3.120.0030.02512.13
5.3.110.0060.02212.13
5.3.100.0020.02511.86
5.3.90.0050.02211.84
5.3.80.0060.01911.84
5.3.70.0060.01911.84
5.3.60.0050.02411.83
5.3.50.0060.01911.80
5.3.40.0060.01911.80
5.3.30.0040.02311.78
5.3.20.0020.02911.67
5.3.10.0070.02011.65
5.3.00.0060.02211.64
5.2.170.0020.02010.39
5.2.160.0080.01310.39
5.2.150.0030.02210.39
5.2.140.0020.01810.39
5.2.130.0030.01810.37
5.2.120.0040.01510.37
5.2.110.0020.01910.38
5.2.100.0040.01610.37
5.2.90.0040.02110.38
5.2.80.0060.01510.37
5.2.70.0020.01910.37
5.2.60.0010.02210.34
5.2.50.0040.01810.33
5.2.40.0040.01710.32
5.2.30.0060.02010.30
5.2.20.0090.01210.30
5.2.10.0080.01410.27
5.2.00.0030.01810.20
5.1.60.0040.0139.84
5.1.50.0030.0159.84
5.1.40.0040.0139.84
5.1.30.0040.01310.01
5.1.20.0040.01310.02
5.1.10.0030.0149.88
5.1.00.0030.0159.88
5.0.50.0030.0129.12
5.0.40.0020.0139.05
5.0.30.0040.0158.96
5.0.20.0030.0118.94
5.0.10.0040.0118.93
5.0.00.0030.0178.92
4.4.90.0020.0108.19
4.4.80.0020.0118.18
4.4.70.0030.0098.18
4.4.60.0020.0118.18
4.4.50.0020.0128.19
4.4.40.0040.0138.16
4.4.30.0010.0118.18
4.4.20.0020.0118.22
4.4.10.0030.0098.22
4.4.00.0040.0138.18
4.3.110.0020.0098.14
4.3.100.0030.0098.13
4.3.90.0030.0098.12
4.3.80.0040.0128.09
4.3.70.0040.0088.11
4.3.60.0020.0088.11
4.3.50.0020.0098.12
4.3.40.0020.0158.07
4.3.30.0020.0107.45
4.3.20.0030.0107.44
4.3.10.0020.0097.42
4.3.00.0030.00512.37

preferences:
38.23 ms | 401 KiB | 5 Q