3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 0x40; $b = ~$a; // flip bits, i.e. 2s complement so -$a and then minus 1 var_dump("var_dump: $b"); // -65 printf("\nprintf: %d\n\n", $b); var_dump( base_convert($b, 10, 2) ); // 65 // **************************// // should be: printf("\nprintf: %b\n\n", $b); echo hex2bin(0x40);

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)
8.3.70.0060.00916.63
8.3.60.0180.00318.30
8.3.50.0190.00321.81
8.3.40.0040.01118.47
8.3.30.0110.00318.59
8.3.20.0040.00420.21
8.3.10.0000.00820.52
8.3.00.0040.00720.71
8.2.180.0090.00918.16
8.2.170.0150.00022.96
8.2.160.0110.00322.23
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0000.00721.00
8.2.120.0040.00426.35
8.2.110.0060.00321.02
8.2.100.0080.00417.80
8.2.90.0080.00019.21
8.2.80.0050.00317.97
8.2.70.0040.00417.63
8.2.60.0050.00317.93
8.2.50.0040.00418.09
8.2.40.0030.00620.50
8.2.30.0000.00819.33
8.2.20.0040.00417.66
8.2.10.0070.00018.14
8.2.00.0000.00717.92
8.1.280.0110.00425.92
8.1.270.0000.00823.91
8.1.260.0080.00028.09
8.1.250.0050.00228.09
8.1.240.0030.00622.46
8.1.230.0090.00317.89
8.1.220.0080.00017.79
8.1.210.0040.00418.77
8.1.200.0060.00317.22
8.1.190.0030.00517.23
8.1.180.0040.00418.10
8.1.170.0040.00418.53
8.1.160.0040.00420.69
8.1.150.0040.00418.86
8.1.140.0050.00319.37
8.1.130.0030.00317.56
8.1.120.0030.00417.34
8.1.110.0040.00417.38
8.1.100.0040.00417.27
8.1.90.0030.00517.37
8.1.80.0030.00617.36
8.1.70.0000.00717.29
8.1.60.0000.00717.41
8.1.50.0000.00917.34
8.1.40.0110.00017.35
8.1.30.0000.00817.63
8.1.20.0000.00717.44
8.1.10.0000.00817.50
8.1.00.0080.00017.34
8.0.300.0080.00018.77
8.0.290.0050.00216.63
8.0.280.0030.00318.28
8.0.270.0030.00317.16
8.0.260.0040.00417.23
8.0.250.0070.00016.91
8.0.240.0070.00017.02
8.0.230.0000.00816.90
8.0.220.0050.00216.81
8.0.210.0030.00316.87
8.0.200.0060.00017.01
8.0.190.0000.00817.07
8.0.180.0040.00416.97
8.0.170.0050.00316.93
8.0.160.0040.00416.97
8.0.150.0050.00516.88
8.0.140.0000.00816.89
8.0.130.0030.00313.39
8.0.120.0030.00616.95
8.0.110.0030.00516.77
8.0.100.0040.00416.89
8.0.90.0000.00716.98
8.0.80.0060.01516.91
8.0.70.0040.00416.72
8.0.60.0080.00016.70
8.0.50.0050.00316.94
8.0.30.0090.00816.96
8.0.20.0110.00717.40
8.0.10.0030.00516.89
8.0.00.0090.01016.79
7.4.330.0000.00516.75
7.4.320.0070.00016.48
7.4.300.0070.00016.58
7.4.290.0030.00316.51
7.4.280.0090.00016.59
7.4.270.0030.00316.48
7.4.260.0000.00816.49
7.4.250.0040.00416.38
7.4.240.0040.00416.55
7.4.230.0040.00416.38
7.4.220.0110.01116.59
7.4.210.0110.00916.55
7.4.200.0070.00016.38
7.4.160.0000.01616.29
7.4.150.0150.00417.40
7.4.140.0130.00617.86
7.4.130.0090.01116.49
7.4.120.0090.00716.36
7.4.110.0040.01216.54
7.4.100.0100.00716.30
7.4.90.0070.01016.47
7.4.80.0090.00919.39
7.4.70.0000.01516.47
7.4.60.0090.00916.38
7.4.50.0070.00716.70
7.4.40.0080.00816.32
7.4.30.0060.01516.66
7.4.00.0070.01014.96
7.3.330.0050.00013.02
7.3.320.0030.00313.01
7.3.310.0050.00316.33
7.3.300.0030.00316.19
7.3.290.0070.01016.26
7.3.280.0090.00716.21
7.3.270.0140.00317.40
7.3.260.0110.00916.23
7.3.240.0150.00316.40
7.3.230.0060.01016.39
7.3.210.0140.00716.39
7.3.200.0120.00616.20
7.3.190.0100.00716.41
7.3.180.0060.00916.29
7.3.170.0070.01416.23
7.3.160.0100.00616.41
7.3.120.0100.00614.96
7.3.110.0030.01014.71
7.3.100.0070.00714.94
7.3.90.0060.00614.79
7.3.80.0060.00314.69
7.3.70.0030.00914.59
7.3.60.0030.01014.93
7.3.50.0130.00314.82
7.3.40.0000.01814.69
7.3.30.0070.00714.48
7.3.20.0070.00716.46
7.3.10.0110.00416.45
7.3.00.0060.00616.56
7.2.330.0080.01116.49
7.2.320.0100.01316.56
7.2.310.0160.00016.47
7.2.300.0070.01516.63
7.2.290.0100.00616.62
7.2.240.0000.01314.68
7.2.230.0060.00314.40
7.2.220.0100.00714.91
7.2.210.0000.01215.04
7.2.200.0040.01114.80
7.2.190.0100.00314.70
7.2.180.0030.01215.03
7.2.170.0030.01314.98
7.2.160.0070.01014.98
7.2.150.0080.01216.83
7.2.140.0030.01016.87
7.2.130.0030.01016.75
7.2.120.0100.00716.66
7.2.110.0050.01116.65
7.2.100.0090.00716.84
7.2.90.0100.00416.80
7.2.80.0020.01216.75
7.2.70.0070.00916.88
7.2.60.0090.00516.54
7.2.50.0100.00716.88
7.2.40.0120.00416.74
7.2.30.0050.00716.72
7.2.20.0090.00616.88
7.2.10.0060.00716.73
7.2.00.0070.00917.59
7.1.330.0000.01615.86
7.1.320.0000.00815.87
7.1.310.0000.00916.01
7.1.300.0070.01015.84
7.1.290.0030.01015.71
7.1.280.0080.00415.68
7.1.270.0000.01615.70
7.1.260.0070.01015.87
7.1.250.0040.00815.79
7.1.240.0000.00815.72
7.1.230.0020.00715.61
7.1.220.0080.00315.60
7.1.210.0040.00415.77
7.1.200.0030.00615.70
7.1.190.0030.00715.65
7.1.180.0000.01315.82
7.1.170.0030.00715.55
7.1.160.0080.00315.89
7.1.150.0130.00015.52
7.1.140.0070.00715.86
7.1.130.0000.01115.56
7.1.120.0100.00015.82
7.1.110.0070.00415.71
7.1.100.0020.00916.44
7.1.90.0030.00715.55
7.1.80.0070.00715.94
7.1.70.0000.01016.46
7.1.60.0080.00917.49
7.1.50.0040.01216.35
7.1.40.0110.00015.66
7.1.30.0040.00715.83
7.1.20.0000.01015.71
7.1.10.0090.00615.75
7.1.00.0050.04019.11
7.0.330.0030.00915.22
7.0.320.0040.00815.26
7.0.310.0030.00715.34
7.0.300.0060.00615.47
7.0.290.0060.00315.19
7.0.280.0060.00615.36
7.0.270.0080.00415.46
7.0.260.0110.00015.22
7.0.250.0070.00715.41
7.0.240.0050.00515.30
7.0.230.0140.00015.39
7.0.220.0000.01115.51
7.0.210.0040.00815.32
7.0.200.0230.00615.04
7.0.190.0030.00715.30
7.0.180.0100.00015.41
7.0.170.0100.00315.47
7.0.160.0000.01115.40
7.0.150.0070.00715.05
7.0.140.0030.00615.08
7.0.130.0090.00315.57
7.0.120.0000.01015.38
7.0.110.0060.00615.41
7.0.100.0000.00815.02
7.0.90.0030.00715.49
7.0.80.0030.01015.07
7.0.70.0070.00715.06
7.0.60.0080.04118.78
7.0.50.0130.03216.60
7.0.40.0050.04116.77
7.0.30.0220.04516.81
7.0.20.0170.02516.86
7.0.10.0050.04716.66
7.0.00.0040.04716.82
5.6.380.0090.00014.16
5.6.370.0070.00414.49
5.6.360.0040.00714.29
5.6.350.0060.00314.54
5.6.340.0040.00814.24
5.6.330.0070.00413.84
5.6.320.0040.00414.13
5.6.310.0070.00414.17
5.6.300.0040.00814.12
5.6.290.0060.00614.16
5.6.280.0030.03717.81
5.6.270.0000.01214.18
5.6.260.0060.00614.57
5.6.250.0000.01114.27
5.6.240.0040.00714.39
5.6.230.0080.00414.14
5.6.220.0120.00014.28
5.6.210.0060.04317.40
5.6.200.0090.02716.00
5.6.190.0070.02517.23
5.6.180.0200.03317.43
5.6.170.0150.02317.21
5.6.160.0050.02217.44
5.6.150.0110.04016.26
5.6.140.0030.04516.30
5.6.130.0120.04216.10
5.6.120.0150.04017.65
5.6.110.0090.03717.50
5.6.100.0050.04017.53
5.6.90.0060.02317.67
5.6.80.0070.03817.39
5.6.70.0040.00814.20
5.6.60.0050.00514.22
5.6.50.0070.00714.30
5.6.40.0070.00414.11
5.6.30.0030.00714.04
5.6.20.0030.00914.24
5.6.10.0120.00013.84
5.6.00.0070.00314.12
5.5.380.0030.00511.04
5.5.370.0060.00311.03
5.5.360.0030.00610.60
5.5.350.0200.03515.64
5.5.340.0020.02914.42
5.5.330.0090.04015.33
5.5.320.0150.04115.62
5.5.310.0120.03415.64
5.5.300.0080.02314.50
5.5.290.0120.02214.44
5.5.280.0080.01815.83
5.5.270.0050.02615.79
5.5.260.0110.03515.85
5.5.250.0080.02215.82
5.5.240.0100.03515.56
5.5.230.0060.00310.82
5.5.220.0070.00410.48
5.5.210.0060.00311.01
5.5.200.0030.00611.09
5.5.190.0070.00310.90
5.5.180.0030.00910.97
5.5.170.0030.00410.69
5.5.160.0000.00610.89
5.5.150.0000.00810.80
5.5.140.0050.00210.81
5.5.130.0000.00710.70
5.5.120.0070.00310.97
5.5.110.0070.00411.09
5.5.100.0070.00011.18
5.5.90.0000.00611.12
5.5.80.0040.00410.88
5.5.70.0030.00311.18
5.5.60.0030.00711.12
5.5.50.0040.00410.98
5.5.40.0040.00410.61
5.5.30.0030.00511.02
5.5.20.0000.00710.53
5.5.10.0030.00910.96
5.5.00.0000.00710.96

preferences:
59.8 ms | 401 KiB | 5 Q