3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 65; $x = ~$a + 1; // -65 in 2s complement printf("%3d = 0x%x\n\n",$a,$a); printf("%d = 0x%x\n",$x,$x);

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)
8.3.60.0080.00818.43
8.3.50.0210.00722.83
8.3.40.0070.01418.59
8.3.30.0060.01218.42
8.3.20.0040.00420.21
8.3.10.0050.00318.65
8.3.00.0070.00720.39
8.2.180.0140.00716.50
8.2.170.0110.00722.96
8.2.160.0160.00322.25
8.2.150.0080.00025.66
8.2.140.0080.00024.66
8.2.130.0000.00820.50
8.2.120.0070.00026.35
8.2.110.0090.00022.11
8.2.100.0060.00617.72
8.2.90.0040.00418.09
8.2.80.0080.00017.97
8.2.70.0090.00017.38
8.2.60.0030.00517.93
8.2.50.0050.00318.16
8.2.40.0050.00220.57
8.2.30.0050.00219.22
8.2.20.0040.00417.57
8.2.10.0050.00317.91
8.2.00.0050.00218.08
8.1.280.0170.00325.92
8.1.270.0080.00023.72
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0000.00923.92
8.1.230.0080.00422.70
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0030.00617.22
8.1.190.0000.00817.23
8.1.180.0030.00618.10
8.1.170.0090.00018.29
8.1.160.0040.00418.82
8.1.150.0030.00718.81
8.1.140.0060.00319.41
8.1.130.0030.00317.28
8.1.120.0030.00317.33
8.1.110.0040.00417.29
8.1.100.0040.00417.29
8.1.90.0000.00717.40
8.1.80.0040.00417.39
8.1.70.0060.00317.29
8.1.60.0040.00417.50
8.1.50.0040.00417.37
8.1.40.0080.00017.38
8.1.30.0030.00517.51
8.1.20.0050.00217.42
8.1.10.0000.00817.43
8.1.00.0000.00717.25
8.0.300.0040.00421.90
8.0.290.0000.00816.63
8.0.280.0000.00718.38
8.0.270.0060.00318.50
8.0.260.0060.00016.61
8.0.250.0000.00716.77
8.0.240.0000.00816.87
8.0.230.0020.00516.78
8.0.220.0000.00716.80
8.0.210.0040.00416.66
8.0.200.0060.00016.88
8.0.190.0040.00416.84
8.0.180.0040.00416.81
8.0.170.0040.00416.82
8.0.160.0000.00716.88
8.0.150.0070.00016.82
8.0.140.0070.00016.72
8.0.130.0000.00913.28
8.0.120.0040.00416.69
8.0.110.0000.00716.77
8.0.100.0000.00816.75
8.0.90.0000.00716.83
8.0.80.0070.00716.72
8.0.70.0000.00816.78
8.0.60.0040.00416.88
8.0.50.0040.00416.64
8.0.30.0050.01317.05
8.0.20.0120.00717.40
8.0.10.0030.00517.00
8.0.00.0120.00816.65
7.4.330.0030.00316.87
7.4.320.0030.00316.47
7.4.300.0000.00616.56
7.4.290.0000.00716.52
7.4.280.0030.00516.56
7.4.270.0070.00016.57
7.4.260.0030.00316.47
7.4.250.0000.00716.46
7.4.240.0000.00816.60
7.4.230.0040.00416.48
7.4.220.0060.01216.69
7.4.210.0070.01116.57
7.4.200.0000.00716.59
7.4.160.0110.00716.50
7.4.150.0100.00717.40
7.4.140.0120.01017.86
7.4.130.0080.01016.63
7.4.120.0090.00916.50
7.4.110.0100.01016.50
7.4.100.0140.00316.43
7.4.90.0130.00316.55
7.4.80.0090.01519.39
7.4.70.0080.00816.36
7.4.60.0140.00716.34
7.4.50.0000.01316.38
7.4.40.0100.01016.54
7.4.30.0080.00816.41
7.4.00.0090.00914.90
7.3.330.0030.00312.99
7.3.320.0060.00013.02
7.3.310.0070.00016.13
7.3.300.0000.00616.23
7.3.290.0000.00716.14
7.3.280.0080.01216.26
7.3.270.0100.00617.40
7.3.260.0060.01116.34
7.3.250.0040.01316.27
7.3.240.0110.00916.29
7.3.230.0080.01116.41
7.3.210.0080.00816.29
7.3.200.0100.00716.35
7.3.190.0120.00616.15
7.3.180.0100.00716.58
7.3.170.0040.02016.29
7.3.160.0060.01016.21
7.3.10.0070.00316.58
7.3.00.0030.00716.61
7.2.330.0110.00716.59
7.2.320.0170.00316.57
7.2.310.0070.01016.66
7.2.300.0070.01016.45
7.2.290.0090.01316.39
7.2.130.0100.00616.89
7.2.120.0030.01016.61
7.2.110.0110.00416.85
7.2.100.0000.01416.83
7.2.90.0030.00916.60
7.2.80.0060.00616.75
7.2.70.0060.00916.94
7.2.60.0050.00916.76
7.2.50.0030.00716.82
7.2.40.0070.00716.93
7.2.30.0070.00316.63
7.2.20.0080.00616.94
7.2.10.0040.01116.61
7.2.00.0100.00616.61
7.1.250.0030.01015.63
7.1.200.0120.00015.59
7.1.70.0030.00316.96
7.1.60.0170.00719.25
7.1.50.0100.02334.79
7.1.00.0000.07722.54
7.0.200.0030.00616.84
7.0.60.0200.08021.59
7.0.50.0030.04017.90
7.0.40.0100.08320.08
7.0.30.0370.08020.09
7.0.20.0330.04720.43
7.0.10.0070.06719.99
7.0.00.0100.05720.20
5.6.280.0030.07021.02
5.6.210.0070.03720.52
5.6.200.0100.03718.12
5.6.190.0030.04320.27
5.6.180.0230.05720.56
5.6.170.0200.07020.38
5.6.160.0070.07720.49
5.6.150.0030.03718.11
5.6.140.0070.07718.07
5.6.130.0070.06318.16
5.6.120.0030.04721.09
5.6.110.0070.07321.02
5.6.100.0100.08321.13
5.6.90.0100.08721.09
5.6.80.0130.08320.52
5.5.350.0430.06020.43
5.5.340.0130.07017.88
5.5.330.0030.04320.25
5.5.320.0270.06320.18
5.5.310.0270.06020.29
5.5.300.0100.07717.90
5.5.290.0030.08317.92
5.5.280.0070.08020.79
5.5.270.0170.07720.66
5.5.260.0230.06320.81
5.5.250.0030.08720.63
5.5.240.0230.04320.11

preferences:
40.73 ms | 401 KiB | 5 Q