3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = utf_encode('1392'); echo $str; // Prints 1392 echo $str + 0; // Prints 0 (it should print 1392) echo $str + 1; // Prints 1 (it should print 1393)

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)
8.3.40.0060.01218.68
8.3.30.0070.00720.04
8.3.20.0040.00420.18
8.3.10.0060.00322.13
8.3.00.0040.00422.48
8.2.170.0150.00022.96
8.2.160.0070.00720.58
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00419.54
8.2.110.0060.00322.25
8.2.100.0070.00319.40
8.2.90.0040.00419.09
8.2.80.0040.00419.16
8.2.70.0080.00417.25
8.2.60.0000.00818.04
8.2.50.0040.00418.07
8.2.40.0080.00018.22
8.2.30.0040.00418.10
8.2.20.0040.00417.75
8.2.10.0050.00317.54
8.2.00.0000.00717.55
8.1.270.0030.00620.29
8.1.260.0040.00426.35
8.1.250.0140.00028.09
8.1.240.0030.00623.90
8.1.230.0120.00019.04
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0000.00917.00
8.1.190.0030.00517.28
8.1.180.0000.00720.19
8.1.170.0090.00018.59
8.1.160.0040.00422.18
8.1.150.0050.00218.49
8.1.140.0000.00717.23
8.1.130.0000.00817.64
8.1.120.0040.00417.37
8.1.110.0000.00917.34
8.1.100.0030.00517.26
8.1.90.0000.00717.23
8.1.80.0000.00717.31
8.1.70.0080.00017.30
8.1.60.0000.00717.30
8.1.50.0040.00417.45
8.1.40.0080.00017.40
8.1.30.0040.00417.53
8.1.20.0000.00817.57
8.1.10.0090.00017.51
8.1.00.0040.00417.29
8.0.300.0000.00718.77
8.0.290.0080.00017.04
8.0.280.0030.00318.28
8.0.270.0030.00317.14
8.0.260.0000.00616.74
8.0.250.0030.00316.96
8.0.240.0040.00416.93
8.0.230.0030.00316.83
8.0.220.0000.00816.95
8.0.210.0000.00716.90
8.0.200.0030.00316.92
8.0.190.0000.00716.84
8.0.180.0000.00716.86
8.0.170.0000.00716.90
8.0.160.0070.00316.94
8.0.150.0030.00516.92
8.0.140.0080.00316.89
8.0.130.0000.00513.38
8.0.120.0040.00416.86
8.0.110.0050.00316.84
8.0.100.0030.00316.73
8.0.90.0000.00816.88
8.0.80.0150.00016.87
8.0.70.0050.00216.88
8.0.60.0040.00416.95
8.0.50.0040.00416.95
8.0.30.0170.00517.08
8.0.20.0140.00417.40
8.0.10.0000.00716.86
8.0.00.0110.00916.87
7.4.330.0050.00015.01
7.4.320.0030.00316.46
7.4.300.0060.00016.50
7.4.290.0030.00316.54
7.4.280.0030.00316.36
7.4.270.0030.00316.42
7.4.260.0040.00416.42
7.4.250.0000.00716.32
7.4.240.0020.00516.45
7.4.230.0000.00716.32
7.4.220.0180.00616.60
7.4.210.0070.00716.43
7.4.200.0030.00316.31
7.4.190.0000.00716.57
7.4.160.0030.01216.64
7.4.150.0100.00717.40
7.4.140.0050.01517.86
7.4.130.0170.00716.46
7.4.120.0050.01516.43
7.4.110.0040.01316.36
7.4.100.0120.01216.36
7.4.90.0060.01116.46
7.4.80.0190.00319.39
7.4.70.0070.01016.36
7.4.60.0090.00616.43
7.4.50.0000.00616.14
7.4.40.0120.00322.77
7.4.30.0090.01216.58
7.4.00.0120.00414.90
7.3.330.0050.00013.23
7.3.320.0000.00612.98
7.3.310.0000.00716.34
7.3.300.0000.00716.27
7.3.290.0000.01416.25
7.3.280.0060.01016.30
7.3.270.0090.00917.40
7.3.260.0060.01216.42
7.3.250.0130.00316.33
7.3.240.0130.00316.27
7.3.230.0060.01016.45
7.3.210.0030.01716.18
7.3.200.0100.01219.39
7.3.190.0170.00016.32
7.3.180.0080.00816.21
7.3.170.0120.00916.48
7.3.160.0150.00016.48
7.3.120.0030.01314.84
7.3.110.0050.01414.62
7.3.100.0080.00814.77
7.3.90.0070.00314.87
7.3.80.0050.00914.56
7.3.70.0030.01014.70
7.3.60.0060.00714.67
7.3.50.0080.00614.58
7.3.40.0050.00814.69
7.3.30.0040.00814.71
7.3.20.0060.00816.72
7.3.10.0060.00616.43
7.3.00.0080.00516.48
7.2.330.0120.00616.68
7.2.320.0060.01116.54
7.2.310.0030.01216.39
7.2.300.0060.00916.57
7.2.290.0070.01416.63
7.2.250.0110.00814.82
7.2.240.0110.00614.84
7.2.230.0080.00815.04
7.2.220.0060.00814.83
7.2.210.0030.00814.72
7.2.200.0070.00814.90
7.2.190.0060.00714.71
7.2.180.0050.00714.79
7.2.170.0030.01014.78
7.2.160.0000.00914.75
7.2.150.0070.00716.63
7.2.140.0090.00616.82
7.2.130.0090.00616.80
7.2.120.0070.01116.93
7.2.110.0060.00616.83
7.2.100.0030.01316.68
7.2.90.0100.00716.57
7.2.80.0080.00616.58
7.2.70.0060.01016.68
7.2.60.0040.00716.58
7.2.50.0090.00616.52
7.2.40.0100.00316.89
7.2.30.0060.00316.80
7.2.20.0000.01616.75
7.2.10.0000.01516.50
7.2.00.0040.01018.06
7.1.330.0060.00815.42
7.1.320.0020.01215.59
7.1.310.0070.00715.38
7.1.300.0000.01215.69
7.1.290.0030.00815.42
7.1.280.0040.00815.58
7.1.270.0050.00615.59
7.1.260.0030.00815.76
7.1.250.0030.00715.73
7.1.240.0040.01115.66
7.1.230.0040.00815.79
7.1.220.0000.01015.71
7.1.210.0100.00315.55
7.1.200.0070.00615.70
7.1.190.0070.00715.79
7.1.180.0060.00615.65
7.1.170.0040.01115.61
7.1.160.0070.00715.31
7.1.150.0030.01015.71
7.1.140.0030.01015.58
7.1.130.0040.00815.71
7.1.120.0130.00315.35
7.1.110.0120.00315.78
7.1.100.0030.00816.76
7.1.90.0080.00415.73
7.1.80.0070.00715.55
7.1.70.0040.01016.46
7.1.60.0120.00517.56
7.1.50.0050.01116.29
7.1.40.0040.01115.51
7.1.30.0090.00015.66
7.1.20.0030.00715.59
7.1.10.0030.00815.66
7.1.00.0030.03119.03
7.0.330.0110.00415.27
7.0.320.0030.01115.34
7.0.310.0000.01415.27
7.0.300.0050.00515.23
7.0.290.0090.00315.19
7.0.280.0070.00715.38
7.0.270.0100.00315.07
7.0.260.0140.00015.28
7.0.250.0100.00315.09
7.0.240.0030.01015.25
7.0.230.0120.00315.43
7.0.220.0060.00715.41
7.0.210.0030.01015.04
7.0.200.0050.00515.92
7.0.190.0060.00915.47
7.0.180.0040.00415.35
7.0.170.0080.00015.21
7.0.160.0090.00015.33
7.0.150.0110.00415.02
7.0.140.0040.04118.54
7.0.130.0000.01115.05
7.0.120.0030.00515.29
7.0.110.0030.00915.43
7.0.100.0040.00714.99
7.0.90.0000.01015.04
7.0.80.0040.00715.24
7.0.70.0060.00615.41
7.0.60.0070.04717.49
7.0.50.0050.02216.46
7.0.40.0050.04916.84
7.0.30.0190.04016.72
7.0.20.0230.03816.70
7.0.10.0150.02516.73
7.0.00.0080.04316.70
5.6.400.0000.01114.26
5.6.390.0030.01314.04
5.6.380.0060.00614.07
5.6.370.0060.00613.71
5.6.360.0070.00713.90
5.6.350.0100.00714.43
5.6.340.0080.00514.13
5.6.330.0040.01113.92
5.6.320.0060.00614.34
5.6.310.0090.00014.05
5.6.300.0000.00814.35
5.6.290.0080.00313.99
5.6.280.0080.03817.65
5.6.270.0000.01014.03
5.6.260.0000.01114.37
5.6.250.0030.00714.24
5.6.240.0070.00414.19
5.6.230.0050.00314.19
5.6.220.0040.00414.33
5.6.210.0050.02617.32
5.6.200.0080.04116.11
5.6.190.0130.04017.41
5.6.180.1730.03017.33
5.6.170.0180.04117.33
5.6.160.0100.03017.22
5.6.150.0080.02616.09
5.6.140.0070.02816.08
5.6.130.0030.03516.00
5.6.120.0050.03217.47
5.6.110.0090.03417.53
5.6.100.0030.05117.41
5.6.90.0070.04217.57
5.6.80.0090.02217.19
5.6.70.0100.04017.25
5.6.60.0080.00813.80
5.6.50.0090.00613.99
5.6.40.0100.00313.80
5.6.30.0070.00714.15
5.6.20.0070.00313.91
5.6.10.0070.00714.05
5.6.00.0040.01213.84
5.5.380.0050.00314.05
5.5.370.0060.00614.12
5.5.360.0000.01314.23
5.5.350.0110.02517.34
5.5.340.0050.04316.00
5.5.330.0120.04116.95
5.5.320.0070.02917.21
5.5.310.0190.04717.06
5.5.300.0040.03416.03
5.5.290.0070.02015.90
5.5.280.0080.03117.53
5.5.270.0120.02917.27
5.5.260.0030.03117.35
5.5.250.0050.02617.30
5.5.240.0030.03917.00
5.5.230.0030.01014.10
5.5.220.0070.00713.65
5.5.210.0030.00914.11
5.5.200.0030.01014.06
5.5.190.0000.00913.66
5.5.180.0060.00313.99
5.5.170.0040.01113.91
5.5.160.0030.01414.00
5.5.150.0060.00613.99
5.5.140.0060.00914.07
5.5.130.0060.00613.98
5.5.120.0070.00714.10
5.5.110.0130.00014.10
5.5.100.0030.00714.05
5.5.90.0030.00613.88
5.5.80.0000.01314.15
5.5.70.0030.00913.86
5.5.60.0110.00414.01
5.5.50.0060.00613.75
5.5.40.0070.00714.11
5.5.30.0060.00614.00
5.5.20.0040.00713.87
5.5.10.0130.00013.73
5.5.00.0030.01013.55
5.4.450.0070.03515.07
5.4.440.0160.03615.07
5.4.430.0170.02515.08
5.4.420.0100.03815.17
5.4.410.0120.02715.01
5.4.400.0120.03214.75
5.4.390.0220.02914.50
5.4.380.0130.02914.68
5.4.370.0090.02914.74
5.4.360.0080.03014.75
5.4.350.0070.02311.33
5.4.340.0080.02311.33
5.4.330.0040.00810.66
5.4.320.0050.02011.65
5.4.310.0060.02011.69
5.4.300.0050.02211.61
5.4.290.0060.02111.53
5.4.280.0020.02411.61
5.4.270.0040.02311.67
5.4.260.0050.02511.62
5.4.250.0100.02314.70
5.4.240.0070.02914.91
5.4.230.0050.03114.74
5.4.220.0070.03014.72
5.4.210.0090.02714.92
5.4.200.0030.02914.74
5.4.190.0070.02614.74
5.4.180.0000.03414.86
5.4.170.0080.02714.71
5.4.160.0120.02314.72
5.4.150.0060.03114.83
5.4.140.0080.03713.47
5.4.130.0030.03113.49
5.4.120.0080.03213.29
5.4.110.0140.03313.54
5.4.100.0030.02913.50
5.4.90.0020.03013.53
5.4.80.0060.02413.45
5.4.70.0070.02613.51
5.4.60.0070.02513.57
5.4.50.0100.03013.58
5.4.40.0030.02913.50
5.4.30.0030.03013.59
5.4.20.0080.03013.55
5.4.10.0080.03513.38
5.4.00.0030.02813.10
5.3.290.0030.02411.46
5.3.280.0120.02312.27
5.3.270.0070.03712.35
5.3.260.0030.03112.28
5.3.250.0120.02512.27
5.3.240.0030.03612.31
5.3.230.0120.03212.36
5.3.220.0050.02712.34
5.3.210.0120.02312.41
5.3.200.0100.02512.23
5.3.190.0020.03712.33
5.3.180.0100.02412.43
5.3.170.0080.02512.38
5.3.160.0040.03112.30
5.3.150.0040.03712.47
5.3.140.0050.02712.34
5.3.130.0080.02612.23
5.3.120.0080.03112.32
5.3.110.0100.02312.42
5.3.100.0030.02812.06
5.3.90.0080.02612.13
5.3.80.0100.02612.06
5.3.70.0060.02712.12
5.3.60.0060.03312.16
5.3.50.0070.02711.97
5.3.40.0070.03712.14
5.3.30.0050.02411.99
5.3.20.0070.02511.95
5.3.10.0090.02411.66
5.3.00.0070.02511.66
5.2.170.0000.06711.29
5.2.160.0070.04711.02
5.2.150.0000.05011.05
5.2.140.0030.05011.29
5.2.130.0000.04711.20
5.2.120.0070.03711.11
5.2.110.0000.04311.10
5.2.100.0100.03711.11
5.2.90.0170.03311.05
5.2.80.0070.04011.11
5.2.70.0000.04311.00
5.2.60.0100.03311.05
5.2.50.0170.03010.95
5.2.40.0100.03310.89
5.2.30.0130.05010.90
5.2.20.0000.04310.95
5.2.10.0130.05010.74
5.2.00.0170.03010.78
5.1.60.0100.0379.92
5.1.50.0070.0309.76
5.1.40.0070.03010.04
5.1.30.0030.03310.50
5.1.20.0000.05310.27
5.1.10.0000.03710.21
5.1.00.0000.0379.97
5.0.50.0030.0278.42
5.0.40.0030.0278.33
5.0.30.0070.0508.17
5.0.20.0100.0308.17
5.0.10.0100.0208.15
5.0.00.0030.0407.98
4.4.90.0000.0236.32
4.4.80.0030.0276.32
4.4.70.0100.0206.32
4.4.60.0070.0276.32
4.4.50.0000.0276.32
4.4.40.0000.0336.32
4.4.30.0000.0236.32
4.4.20.0000.0236.32
4.4.10.0070.0176.32
4.4.00.0000.0376.32
4.3.110.0030.0206.32
4.3.100.0030.0176.32
4.3.90.0030.0206.32
4.3.80.0000.0336.32
4.3.70.0100.0136.32
4.3.60.0070.0206.32
4.3.50.0000.0236.32
4.3.40.0070.0306.32
4.3.30.0070.0176.32
4.3.20.0000.0236.32
4.3.10.0000.0236.32
4.3.00.0030.0206.84

preferences:
48.15 ms | 400 KiB | 5 Q