3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str1 = "anything"; $str2 = "anything\0\0\0"; $str3 = "\0\0\0anything"; var_dump($str1, $str2, $str3); var_dump(strval($str1), strval($str2), strval($str3)); var_dump($str1 == $str2); var_dump($str1 === $str2); var_dump($str1 == $str3); var_dump($str1 === $str3); var_dump($str3 == $str2); var_dump($str3 === $str2); var_dump(strval($str1) == strval($str2)); var_dump(strval($str1) === strval($str2)); var_dump(strval($str1) == strval($str3)); var_dump(strval($str1) === strval($str3)); var_dump(strval($str3) == strval($str2)); var_dump(strval($str3) === strval($str2));

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)
8.3.60.0110.00716.75
8.3.50.0130.00722.87
8.3.40.0030.01418.66
8.3.30.0090.00618.83
8.3.20.0030.00620.19
8.3.10.0030.00520.48
8.3.00.0050.00219.02
8.2.180.0120.00618.29
8.2.170.0130.00722.96
8.2.160.0100.00320.35
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0030.00526.16
8.2.120.0040.00419.23
8.2.110.0000.00922.14
8.2.100.0060.00617.67
8.2.90.0080.00019.21
8.2.80.0060.00319.40
8.2.70.0040.00417.50
8.2.60.0040.00417.68
8.2.50.0050.00318.07
8.2.40.0000.00818.03
8.2.30.0000.00821.33
8.2.20.0070.00017.70
8.2.10.0050.00318.07
8.2.00.0040.00417.57
8.1.280.0040.01125.92
8.1.270.0080.00023.82
8.1.260.0000.00726.35
8.1.250.0000.00928.09
8.1.240.0090.00922.50
8.1.230.0110.00020.88
8.1.220.0000.00818.77
8.1.210.0000.00818.99
8.1.200.0030.00617.35
8.1.190.0070.00017.51
8.1.180.0030.00518.10
8.1.170.0040.00418.64
8.1.160.0040.00418.86
8.1.150.0020.00518.98
8.1.140.0040.00417.41
8.1.130.0000.00717.88
8.1.120.0000.00717.36
8.1.110.0060.00317.36
8.1.100.0040.00417.46
8.1.90.0040.00417.43
8.1.80.0000.00717.32
8.1.70.0030.00317.41
8.1.60.0050.00317.61
8.1.50.0030.00617.53
8.1.40.0050.00217.54
8.1.30.0030.00517.63
8.1.20.0050.00317.63
8.1.10.0000.00717.53
8.1.00.0030.00717.47
8.0.300.0040.00419.91
8.0.290.0000.00717.04
8.0.280.0060.00018.40
8.0.270.0000.00717.25
8.0.260.0000.00617.20
8.0.250.0000.00716.74
8.0.240.0040.00416.77
8.0.230.0000.00716.76
8.0.220.0030.00316.79
8.0.210.0040.00416.81
8.0.200.0000.00716.91
8.0.190.0000.00716.95
8.0.180.0000.00716.89
8.0.170.0000.00716.75
8.0.160.0040.00316.84
8.0.150.0000.00716.81
8.0.140.0030.00516.70
8.0.130.0030.00313.26
8.0.120.0000.00816.77
8.0.110.0040.00416.75
8.0.100.0040.00416.73
8.0.90.0070.00016.71
8.0.80.0070.01016.92
8.0.70.0030.00516.80
8.0.60.0040.00417.02
8.0.50.0040.00416.96
8.0.30.0070.01317.11
8.0.20.0110.01017.40
8.0.10.0000.00716.89
8.0.00.0120.00916.66
7.4.330.0050.00015.02
7.4.320.0060.00016.57
7.4.300.0050.00216.65
7.4.290.0030.00316.44
7.4.280.0040.00416.41
7.4.270.0000.00716.65
7.4.260.0000.00716.53
7.4.250.0040.00416.49
7.4.240.0020.00516.56
7.4.230.0030.00316.59
7.4.220.0090.00916.41
7.4.210.0100.01016.38
7.4.200.0070.00016.71
7.4.160.0120.00916.59
7.4.150.0090.00917.40
7.4.140.0060.01117.86
7.4.130.0070.01016.46
7.4.120.0130.00616.61
7.4.110.0060.01216.72
7.4.100.0180.00016.53
7.4.90.0030.01316.46
7.4.80.0160.00316.38
7.4.70.0110.01116.56
7.4.60.0110.01216.63
7.4.50.0000.00616.48
7.4.40.0100.00616.57
7.4.30.0090.01316.75
7.4.00.0040.01215.17
7.3.330.0060.00013.18
7.3.320.0050.00013.22
7.3.310.0030.00316.28
7.3.300.0030.00316.36
7.3.290.0070.00716.29
7.3.280.0100.00716.35
7.3.270.0130.00917.40
7.3.260.0070.01016.38
7.3.250.0100.00816.33
7.3.240.0160.00616.52
7.3.230.0080.00816.43
7.3.210.0180.01016.29
7.3.200.0180.00019.39
7.3.190.0140.00716.40
7.3.180.0090.00616.58
7.3.170.0070.01016.43
7.3.160.0110.00816.41
7.3.10.0180.00016.71
7.3.00.0080.00416.58
7.2.330.0140.00416.48
7.2.320.0120.00616.39
7.2.310.0090.00916.53
7.2.300.0070.01816.37
7.2.290.0060.01116.68
7.2.130.0030.00716.68
7.2.120.0060.00616.69
7.2.110.0130.01016.72
7.2.100.0080.01216.61
7.2.90.0070.00716.86
7.2.80.0040.00816.66
7.2.70.0080.00816.66
7.2.60.0030.01016.89
7.2.50.0140.00416.89
7.2.40.0030.01316.50
7.2.30.0030.01316.57
7.2.20.0070.00716.72
7.2.10.0090.00016.70
7.2.00.0070.00618.03
7.1.250.0090.00315.79
7.1.100.0070.00318.30
7.1.70.0000.00917.17
7.1.60.0070.01819.34
7.1.50.0100.01416.91
7.1.00.0030.07722.34
7.0.200.0000.00716.68
7.0.140.0000.06721.96
7.0.60.0000.07019.94
7.0.50.0030.07017.90
7.0.40.0100.07320.05
7.0.30.0170.05020.21
7.0.20.0200.04320.17
7.0.10.0170.08020.20
7.0.00.0030.04020.20
5.6.280.0000.07720.91
5.6.210.0130.06720.71
5.6.200.0030.06318.16
5.6.190.0030.08320.61
5.6.180.0200.04720.41
5.6.170.0230.03720.41
5.6.160.0100.08720.52
5.6.150.0130.06718.21
5.6.140.0070.08018.22
5.6.130.0030.04018.11
5.6.120.0070.09020.98
5.6.110.0070.07721.03
5.6.100.0130.05020.98
5.6.90.0100.07021.12
5.6.80.0070.05020.44
5.5.350.0100.07320.49
5.5.340.0070.05017.96
5.5.330.0070.04020.30
5.5.320.0070.04720.30
5.5.310.0230.05020.29
5.5.300.0100.07717.92
5.5.290.0030.05317.92
5.5.280.0100.06020.98
5.5.270.0030.04320.85
5.5.260.0100.08020.79
5.5.250.0230.07020.68
5.5.240.0170.02720.33
5.4.450.0370.03719.45
5.4.440.0800.03719.10
5.4.430.0700.03319.54
5.4.420.0130.05019.32
5.4.410.0130.05719.42
5.4.400.0170.05319.13
5.4.390.0100.05319.13
5.4.380.0070.05718.98
5.4.370.0170.04318.96
5.4.360.0070.05719.07
5.4.350.0060.04811.98
5.4.340.0120.04311.98
5.4.320.0130.07712.46
5.4.310.0130.04512.46
5.4.300.0070.04912.46
5.4.290.0100.05712.46
5.4.280.0050.03912.36
5.4.270.0080.04812.36
5.4.260.0050.05212.36
5.4.250.0100.04812.36
5.4.240.0100.04812.36
5.4.230.0100.05212.35
5.4.220.0090.04912.35
5.4.210.0110.04412.35
5.4.200.0100.05112.35
5.4.190.0120.05012.35
5.4.180.0180.04512.34
5.4.170.0170.04812.36
5.4.160.0050.05612.36
5.4.150.0110.04912.35
5.4.140.0120.05412.03
5.4.130.0080.05612.02
5.4.120.0170.04811.98
5.4.110.0150.04811.98
5.4.100.0110.04711.98
5.4.90.0110.05411.97
5.4.80.0150.05711.97
5.4.70.0120.04911.96
5.4.60.0120.04511.97
5.4.50.0110.04511.96
5.4.40.0090.04511.95
5.4.30.0110.04311.96
5.4.20.0100.04911.96
5.4.10.0100.04611.95
5.4.00.0100.04511.44
5.3.290.0090.05312.80
5.3.280.0100.04812.71
5.3.270.0050.05812.72
5.3.260.0120.05212.72
5.3.250.0160.06412.72
5.3.240.0180.06312.72
5.3.230.0130.05512.71
5.3.220.0060.06012.68
5.3.210.0110.06412.68
5.3.200.0060.04612.68
5.3.190.0080.04012.68
5.3.180.0080.04712.68
5.3.170.0110.04512.67
5.3.160.0110.04712.68
5.3.150.0110.05412.68
5.3.140.0100.05812.66
5.3.130.0110.04512.65
5.3.120.0170.06312.66
5.3.110.0130.06112.66
5.3.100.0100.04712.12
5.3.90.0080.05112.08
5.3.80.0070.04912.07
5.3.70.0050.05012.08
5.3.60.0070.04912.06
5.3.50.0100.04412.00
5.3.40.0090.04812.00
5.3.30.0090.05511.96
5.3.20.0110.04311.74
5.3.10.0070.04911.70
5.3.00.0070.05111.69
5.2.170.0090.0419.19
5.2.160.0060.0419.20
5.2.150.0060.0449.19
5.2.140.0070.0429.19
5.2.130.0090.0629.15
5.2.120.0080.0479.15
5.2.110.0040.0409.16
5.2.100.0070.0399.15
5.2.90.0080.0399.15
5.2.80.0060.0489.15
5.2.70.0070.0419.15
5.2.60.0060.0409.10
5.2.50.0080.0389.07
5.2.40.0050.0389.04
5.2.30.0080.0399.03
5.2.20.0070.0379.01
5.2.10.0070.0378.93
5.2.00.0050.0408.79
5.1.60.0050.0338.08
5.1.50.0110.0308.07
5.1.40.0070.0338.05
5.1.30.0070.0348.41
5.1.20.0050.0368.43
5.1.10.0070.0338.15
5.1.00.0100.0318.15
5.0.50.0060.0266.64
5.0.40.0020.0296.48
5.0.30.0050.0386.31
5.0.20.0060.0236.28
5.0.10.0070.0256.26
5.0.00.0050.0386.25
4.4.90.0030.0224.78
4.4.80.0040.0194.76
4.4.70.0040.0214.76
4.4.60.0040.0214.76
4.4.50.0060.0204.77
4.4.40.0060.0304.70
4.4.30.0050.0194.76
4.4.20.0030.0234.85
4.4.10.0040.0214.85
4.4.00.0040.0324.76
4.3.110.0060.0194.67
4.3.100.0050.0204.66
4.3.90.0040.0254.64
4.3.80.0050.0354.58
4.3.70.0050.0204.63
4.3.60.0040.0204.63
4.3.50.0050.0204.63
4.3.40.0050.0294.54
4.3.30.0010.0243.32
4.3.20.0040.0193.32
4.3.10.0040.0193.32
4.3.00.0000.01313.30

preferences:
58.62 ms | 401 KiB | 5 Q