3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = '1392'; echo $string = utf8_encode($str); //echo (int)$str;

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)
8.3.60.0110.00416.74
8.3.50.0170.00321.94
8.3.40.0100.01018.72
8.3.30.0030.01018.92
8.3.20.0040.00420.26
8.3.10.0050.00323.67
8.3.00.0050.00522.34
8.2.180.0130.00316.63
8.2.170.0040.01122.96
8.2.160.0070.00720.23
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0080.00026.16
8.2.120.0080.00022.30
8.2.110.0060.00322.19
8.2.100.0040.00717.91
8.2.90.0040.00419.21
8.2.80.0060.00318.04
8.2.70.0080.00017.75
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0040.00418.22
8.2.30.0080.00018.04
8.2.20.0050.00317.74
8.2.10.0040.00417.64
8.2.00.0040.00417.74
8.1.280.0110.00425.92
8.1.270.0000.00921.88
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0040.00423.83
8.1.230.0080.00419.10
8.1.220.0000.00917.74
8.1.210.0040.00418.77
8.1.200.0090.00017.23
8.1.190.0040.00417.50
8.1.180.0000.00818.10
8.1.170.0050.00518.57
8.1.160.0000.00821.85
8.1.150.0040.00418.45
8.1.140.0040.00417.47
8.1.130.0000.00817.80
8.1.120.0030.00317.43
8.1.110.0050.00317.43
8.1.100.0030.00317.41
8.1.90.0030.00317.30
8.1.80.0000.00717.26
8.1.70.0030.00317.28
8.1.60.0000.00817.50
8.1.50.0080.00017.46
8.1.40.0000.00817.48
8.1.30.0040.00417.40
8.1.20.0060.00317.42
8.1.10.0070.00017.42
8.1.00.0000.00717.43
8.0.300.0050.00318.77
8.0.290.0040.00317.18
8.0.280.0040.00418.43
8.0.270.0040.00417.29
8.0.260.0000.00816.81
8.0.250.0030.00316.91
8.0.240.0000.00816.97
8.0.230.0040.00416.79
8.0.220.0030.00316.79
8.0.210.0070.00016.75
8.0.200.0070.00016.84
8.0.190.0040.00416.80
8.0.180.0000.00716.76
8.0.170.0080.00016.72
8.0.160.0030.00516.88
8.0.150.0000.00716.72
8.0.140.0050.00316.78
8.0.130.0050.00013.17
8.0.120.0050.00216.86
8.0.110.0000.00716.85
8.0.100.0040.00416.79
8.0.90.0000.00716.86
8.0.80.0090.00616.80
8.0.70.0050.00316.92
8.0.60.0000.00716.79
8.0.50.0040.00416.84
8.0.30.0110.00816.99
8.0.20.0070.01217.40
8.0.10.0050.00316.98
8.0.00.0080.01016.74
7.4.330.0050.00015.09
7.4.320.0060.00016.44
7.4.300.0060.00016.49
7.4.290.0070.00016.47
7.4.280.0070.00316.52
7.4.270.0030.00316.55
7.4.260.0000.00716.50
7.4.250.0000.00716.47
7.4.240.0020.00516.46
7.4.230.0000.00716.59
7.4.220.0060.01316.32
7.4.210.0020.01416.44
7.4.200.0000.00716.52
7.4.190.0060.00316.51
7.4.160.0130.00316.40
7.4.150.0070.01017.40
7.4.140.0160.00817.86
7.4.130.0070.00916.51
7.4.120.0120.00916.48
7.4.110.0070.01016.35
7.4.100.0000.01816.33
7.4.90.0060.01216.58
7.4.80.0100.01319.39
7.4.70.0100.01016.61
7.4.60.0140.00316.43
7.4.50.0060.00316.29
7.4.40.0070.00722.77
7.4.30.0110.00716.42
7.4.00.0070.00914.93
7.3.330.0030.00312.89
7.3.320.0000.00513.04
7.3.310.0030.00315.99
7.3.300.0030.00316.08
7.3.290.0100.00616.14
7.3.280.0040.01316.12
7.3.270.0070.01017.40
7.3.260.0070.01616.35
7.3.250.0120.00816.25
7.3.240.0140.00616.42
7.3.230.0100.00616.39
7.3.210.0030.01516.18
7.3.200.0040.01216.30
7.3.190.0120.00916.42
7.3.180.0070.01416.14
7.3.170.0090.00616.53
7.3.160.0060.01016.35
7.3.120.0070.00914.58
7.3.110.0060.01114.85
7.3.100.0100.00914.50
7.3.90.0080.00814.66
7.3.80.0080.00814.74
7.3.70.0030.01014.71
7.3.60.0070.00514.56
7.3.50.0050.00814.45
7.3.40.0050.00914.59
7.3.30.0070.00714.60
7.3.20.0080.00416.56
7.3.10.0040.00916.56
7.3.00.0040.00916.44
7.2.330.0080.01316.63
7.2.320.0070.01416.59
7.2.310.0070.01416.57
7.2.300.0060.00916.63
7.2.290.0150.00616.32
7.2.250.0030.01514.88
7.2.240.0080.01014.93
7.2.230.0130.00614.96
7.2.220.0110.00315.06
7.2.210.0060.00915.07
7.2.200.0010.01114.93
7.2.190.0040.00615.04
7.2.180.0090.00714.81
7.2.170.0020.01214.93
7.2.00.0030.00919.28
7.1.330.0060.00815.67
7.1.320.0100.00315.77
7.1.310.0040.00815.81
7.1.300.0040.00915.63
7.1.290.0030.01215.57
7.1.280.0050.00715.86
7.1.270.0070.00415.46
7.1.260.0110.00215.59
7.1.100.0980.00415.75
7.1.70.0070.00317.04
7.1.60.0030.00717.20
7.1.50.0160.00616.88
7.1.00.0000.07722.46
7.0.200.0090.00616.79
7.0.140.0030.07321.95
7.0.60.0000.04319.77
7.0.50.0000.04317.77
7.0.40.0170.06020.12
7.0.30.0270.04320.13
7.0.20.0270.04320.16
7.0.10.0230.07720.31
7.0.00.0000.09020.16
5.6.280.0030.07321.03
5.6.210.0100.08020.49
5.6.200.0100.07718.22
5.6.190.0100.08020.57
5.6.180.0100.04020.27
5.6.170.0370.07320.41
5.6.160.0100.08020.41
5.6.150.0100.07718.22
5.6.140.0130.07718.18
5.6.130.0030.08718.11
5.6.120.0030.08721.11
5.6.110.0100.08020.95
5.6.100.0070.09021.00
5.6.90.0030.06321.07
5.6.80.0070.08320.52
5.6.70.4100.03720.39
5.5.350.0030.08020.37
5.5.340.0070.07717.96
5.5.330.0100.04720.40
5.5.320.0030.04020.32
5.5.310.0330.05320.29
5.5.300.0100.05018.01
5.5.290.0070.08317.88
5.5.280.0030.07720.80
5.5.270.0070.08320.76
5.5.260.0030.06320.76
5.5.250.0070.08020.69
5.5.240.0170.06320.04
5.4.450.1670.04019.55
5.4.440.2330.04019.13
5.4.430.2300.04319.13
5.4.420.1870.04319.48
5.4.410.0430.03019.44
5.4.400.0030.03718.89
5.4.390.0270.04319.08
5.4.380.1970.04319.10
5.4.370.1730.03719.09
5.4.360.1930.04018.92
5.4.350.1730.03019.22
5.4.340.1670.04019.06
5.4.320.1600.04019.21
5.4.310.1870.04019.25
5.4.300.1900.03718.91
5.4.290.1700.03318.90
5.4.280.2070.04019.08
5.4.270.1670.03319.10
5.4.260.0100.07319.07
5.4.250.0030.06019.07
5.4.240.0530.07019.08
5.4.230.1630.04019.21
5.4.220.1670.03719.12
5.4.210.1900.04019.24
5.4.200.2100.04018.77
5.4.190.1930.04319.08
5.4.180.1830.03019.12
5.4.170.1770.03719.07
5.4.160.2030.04318.89
5.4.150.1870.03319.22
5.4.140.1230.03716.45
5.4.130.0030.03316.41
5.4.120.0000.03716.23
5.4.110.1030.03316.45
5.4.100.1700.03716.06
5.4.90.1770.03016.18
5.4.80.1700.03716.16
5.4.70.0770.03016.44
5.4.60.0000.03716.20
5.4.50.0000.03716.27
5.4.40.0900.03016.36
5.4.30.2130.03316.31
5.4.20.1700.03716.38
5.4.10.1870.04316.46
5.4.00.1930.04015.86
5.3.290.1700.04014.50
5.3.280.0830.03314.54
5.3.270.0030.04014.43
5.3.260.0030.03714.41
5.3.250.1530.03014.55
5.3.240.1700.03714.55
5.3.230.1730.03714.64
5.3.220.1800.03314.40
5.3.210.1800.04014.43
5.3.200.1930.03714.41
5.3.190.1570.03714.39
5.3.180.1870.04714.41
5.3.170.1800.04314.51
5.3.160.1870.05014.51
5.3.150.1670.03314.39
5.3.140.0300.03714.60
5.3.130.0100.03014.38
5.3.120.0600.05714.40
5.3.110.1670.03714.64
5.3.100.1770.04313.87
5.3.90.1670.03713.97
5.3.80.1970.03714.11
5.3.70.1600.03713.95
5.3.60.1930.03313.84
5.3.50.1900.04013.71
5.3.40.1800.04013.99
5.3.30.1770.02314.00
5.3.20.1830.04013.70
5.3.10.1670.03713.61
5.3.00.0070.07013.54
5.2.170.0000.05310.98
5.2.160.0200.06310.98
5.2.150.1400.03010.98
5.2.140.1570.03710.96
5.2.130.1400.02710.94
5.2.120.1470.03710.94
5.2.110.1700.03311.03
5.2.100.1600.03711.16
5.2.90.1570.03310.96
5.2.80.1600.03710.94
5.2.70.1600.03710.91
5.2.60.1330.03310.90
5.2.50.1670.03710.85
5.2.40.1300.03011.04
5.2.30.0170.06010.87
5.2.20.0000.05010.81
5.2.10.0000.03710.81
5.2.00.0030.06010.72
5.1.60.0530.03010.07
5.1.50.1330.03010.07
5.1.40.1100.02310.05
5.1.30.1330.03010.19
5.1.20.1130.02710.25
5.1.10.1100.02310.22
5.1.00.1270.0309.96
5.0.50.0630.0278.46
5.0.40.0730.0338.49
5.0.30.0670.0378.11
5.0.20.0670.0138.13
5.0.10.0530.0208.25
5.0.00.0630.0378.23
4.4.90.0570.0177.97
4.4.80.0570.0177.97
4.4.70.0600.0177.97
4.4.60.0670.0277.97
4.4.50.0430.0237.97
4.4.40.0570.0207.97
4.4.30.0000.0177.97
4.4.20.0000.0337.97
4.4.10.0070.0207.97
4.4.00.0000.0477.97
4.3.110.0070.0237.97
4.3.100.0000.0207.97
4.3.90.0030.0137.97
4.3.80.0170.0237.97
4.3.70.0700.0177.97
4.3.60.0570.0177.97
4.3.50.0700.0177.97
4.3.40.0600.0237.97
4.3.30.0370.0177.97
4.3.20.0330.0207.97
4.3.10.0270.0177.97
4.3.00.0300.0207.97

preferences:
78.31 ms | 401 KiB | 5 Q