3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 1; $y = 2; if (!($x == $y)) { echo 'Are equal'; } else { echo 'Are not equal'; } echo "\n"; if (!$x == $y) { echo 'Are equal'; } else { echo 'Are not equal'; } var_dump(!$x == $y);

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)
8.3.60.0100.00318.30
8.3.50.0070.00716.39
8.3.40.0120.00318.54
8.3.30.0030.01018.89
8.3.20.0080.00020.16
8.3.10.0040.00423.52
8.3.00.0080.00019.26
8.2.180.0170.00016.63
8.2.170.0090.00622.96
8.2.160.0070.00720.57
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00421.83
8.2.110.0060.00321.02
8.2.100.0110.00017.72
8.2.90.0040.00421.02
8.2.80.0000.00818.16
8.2.70.0040.00417.93
8.2.60.0110.00019.53
8.2.50.0050.00518.10
8.2.40.0000.00820.46
8.2.30.0040.00418.01
8.2.20.0000.00717.68
8.2.10.0040.00417.93
8.2.00.0030.00517.55
8.1.280.0140.00025.92
8.1.270.0090.00022.05
8.1.260.0030.00626.35
8.1.250.0040.00428.09
8.1.240.0100.00022.59
8.1.230.0110.00022.57
8.1.220.0070.00017.79
8.1.210.0080.00018.78
8.1.200.0090.00017.23
8.1.190.0000.00817.35
8.1.180.0060.00318.10
8.1.170.0000.00818.72
8.1.160.0030.00322.13
8.1.150.0000.00718.93
8.1.140.0020.00517.46
8.1.130.0000.00717.79
8.1.120.0000.00717.50
8.1.110.0000.00917.34
8.1.100.0030.00317.45
8.1.90.0070.00017.36
8.1.80.0000.00717.36
8.1.70.0030.00317.38
8.1.60.0000.00817.63
8.1.50.0080.00017.53
8.1.40.0080.00017.47
8.1.30.0030.00517.68
8.1.20.0000.00817.59
8.1.10.0040.00417.39
8.1.00.0000.00717.44
8.0.300.0030.00519.97
8.0.290.0000.00716.63
8.0.280.0070.00018.38
8.0.270.0040.00417.21
8.0.260.0030.00317.19
8.0.250.0060.00016.92
8.0.240.0030.00616.91
8.0.230.0030.00316.94
8.0.220.0030.00316.89
8.0.210.0070.00016.88
8.0.200.0000.00616.85
8.0.190.0040.00416.93
8.0.180.0050.00316.96
8.0.170.0000.00816.85
8.0.160.0030.00616.91
8.0.150.0070.00016.85
8.0.140.0000.00716.81
8.0.130.0030.00313.30
8.0.120.0050.00316.76
8.0.110.0040.00416.80
8.0.100.0050.00316.76
8.0.90.0070.00016.76
8.0.80.0090.00616.90
8.0.70.0070.00016.95
8.0.60.0000.00816.91
8.0.50.0050.00216.97
8.0.30.0130.00617.08
8.0.20.0110.00717.40
8.0.10.0040.00416.94
8.0.00.0060.01216.77
7.4.330.0020.00215.00
7.4.320.0040.00416.45
7.4.300.0060.00016.59
7.4.290.0040.00416.60
7.4.280.0040.00416.62
7.4.270.0040.00416.43
7.4.260.0040.00416.50
7.4.250.0040.00416.57
7.4.240.0030.00316.52
7.4.230.0070.00016.68
7.4.220.0100.01016.62
7.4.210.0060.01516.52
7.4.200.0000.00716.31
7.4.160.0110.00816.57
7.4.150.0080.00817.40
7.4.140.0090.00917.86
7.4.130.0060.01316.52
7.4.120.0100.00916.53
7.4.110.0070.01116.68
7.4.100.0150.00916.36
7.4.90.0120.00616.34
7.4.80.0120.00619.39
7.4.70.0100.01016.48
7.4.60.0030.01316.58
7.4.50.0000.00416.45
7.4.40.0100.00716.34
7.4.30.0000.01616.57
7.4.00.0100.00714.87
7.3.330.0050.00013.06
7.3.320.0000.00613.11
7.3.310.0040.00416.41
7.3.300.0000.00716.23
7.3.290.0070.01016.18
7.3.280.0100.00616.30
7.3.270.0090.00917.40
7.3.260.0120.00616.40
7.3.250.0070.01116.36
7.3.240.0090.00916.44
7.3.230.0060.01116.39
7.3.210.0040.01216.42
7.3.200.0220.00519.39
7.3.190.0090.01216.39
7.3.180.0040.01216.32
7.3.170.0160.00416.27
7.3.160.0110.00416.31
7.2.330.0030.01416.54
7.2.320.0060.01216.56
7.2.310.0110.00616.46
7.2.300.0070.01016.65
7.2.290.0120.00916.58
7.2.00.0070.00719.23
7.1.100.0060.00617.91
7.1.70.0060.01017.15
7.1.60.0120.00017.05
7.1.50.0070.01516.93
7.1.00.0030.09022.37
7.0.200.0030.01016.46
7.0.140.0000.07722.17
7.0.60.0130.08319.97
7.0.50.0100.07317.80
7.0.40.0030.04319.99
7.0.30.0270.04020.01
7.0.20.0270.07020.33
7.0.10.0030.08720.33
7.0.00.0070.07020.11
5.6.280.0100.06720.89
5.6.210.0030.08720.50
5.6.200.0070.08018.16
5.6.190.0030.04720.67
5.6.180.0400.06720.77
5.6.170.0270.04320.54
5.6.160.0170.07320.50
5.6.150.0100.03718.12
5.6.140.0130.06718.07
5.6.130.0070.05018.07
5.6.120.0130.06320.93
5.6.110.0130.05020.95
5.6.100.0070.08321.00
5.6.90.0070.03721.07
5.6.80.0030.04320.52
5.5.350.0200.07020.38
5.5.340.0000.05717.98
5.5.330.0100.07020.21
5.5.320.0230.05020.21
5.5.310.0230.05320.26
5.5.300.0070.08018.00
5.5.290.0070.04717.95
5.5.280.0030.04320.96
5.5.270.0000.04320.74
5.5.260.0030.06020.86
5.5.250.0030.05720.68
5.5.240.0270.07320.18
5.4.450.0170.05319.38
5.4.440.0870.05719.08
5.4.430.0670.06019.09
5.4.420.0730.00019.34
5.4.410.0630.00019.39
5.4.400.0630.00019.18
5.4.390.0630.00019.14
5.4.380.0730.00019.05
5.4.370.0630.00019.13
5.4.360.0600.00019.14
5.4.350.0700.00019.13
5.4.340.0060.03311.96
5.4.320.0030.04012.45
5.4.310.0050.03812.45
5.4.300.0050.03912.45
5.4.290.0060.03812.45
5.4.280.0070.03312.35
5.4.270.0040.03912.34
5.4.260.0060.03712.35
5.4.250.0070.04412.34
5.4.240.0070.03712.34
5.4.230.0060.04212.34
5.4.220.0040.03812.34
5.4.210.0060.04012.34
5.4.200.0060.03612.34
5.4.190.0120.04012.34
5.4.180.0070.03412.33
5.4.170.0070.03412.35
5.4.160.0040.03812.34
5.4.150.0040.03712.34
5.4.140.0060.03712.02
5.4.130.0080.03312.01
5.4.120.0060.03311.96
5.4.110.0060.03411.96
5.4.100.0080.03411.97
5.4.90.0060.03711.96
5.4.80.0060.03511.96
5.4.70.0040.03611.96
5.4.60.0050.03611.96
5.4.50.0070.03311.96
5.4.40.0040.03511.95
5.4.30.0050.03611.95
5.4.20.0030.04111.95
5.4.10.0070.05011.95
5.4.00.0080.04511.44
5.3.290.0090.06912.80
5.3.280.0090.03512.71
5.3.270.0060.04012.72
5.3.260.0050.04212.72
5.3.250.0050.03812.72
5.3.240.0080.03512.71
5.3.230.0080.03912.71
5.3.220.0020.04312.68
5.3.210.0070.04112.68
5.3.200.0070.03912.68
5.3.190.0030.04612.68
5.3.180.0050.03712.67
5.3.170.0050.03712.66
5.3.160.0060.04212.68
5.3.150.0090.03812.68
5.3.140.0050.04412.66
5.3.130.0070.04512.66
5.3.120.0060.04012.66
5.3.110.0060.04212.66
5.3.100.0090.04312.12
5.3.90.0070.04412.09
5.3.80.0100.03912.07
5.3.70.0090.04612.07
5.3.60.0040.03912.07
5.3.50.0040.03912.00
5.3.40.0050.03912.00
5.3.30.0060.03511.94
5.3.20.0050.04111.73
5.3.10.0050.03411.69
5.3.00.0070.03411.67
5.2.170.0060.0289.18
5.2.160.0060.0319.18
5.2.150.0040.0339.18
5.2.140.0060.0319.17
5.2.130.0050.0339.13
5.2.120.0090.0239.13
5.2.110.0050.0289.14
5.2.100.0050.0279.13
5.2.90.0060.0269.14
5.2.80.0050.0369.14
5.2.70.0030.0309.14
5.2.60.0030.0319.09
5.2.50.0020.0329.05
5.2.40.0050.0289.04
5.2.30.0050.0279.01
5.2.20.0050.0279.00
5.2.10.0030.0298.91
5.2.00.0040.0298.78
5.1.60.0040.0248.06
5.1.50.0000.0288.06
5.1.40.0060.0218.04
5.1.30.0030.0268.39
5.1.20.0030.0288.41
5.1.10.0040.0268.13
5.1.00.0090.0208.14
5.0.50.0010.0236.61
5.0.40.0060.0166.47
5.0.30.0020.0326.29
5.0.20.0040.0196.26
5.0.10.0040.0196.24
5.0.00.0040.0306.23
4.4.90.0020.0164.78
4.4.80.0050.0134.75
4.4.70.0010.0174.76
4.4.60.0010.0184.75
4.4.50.0050.0184.77
4.4.40.0030.0344.71
4.4.30.0050.0234.76
4.4.20.0050.0224.84
4.4.10.0040.0314.84
4.4.00.0020.0404.76
4.3.110.0040.0304.67
4.3.100.0080.0364.66
4.3.90.0040.0204.63
4.3.80.0020.0254.58
4.3.70.0050.0174.63
4.3.60.0030.0194.63
4.3.50.0020.0184.63
4.3.40.0010.0264.54
4.3.30.0030.0153.28
4.3.20.0030.0153.25
4.3.10.0000.0173.22
4.3.00.0000.0277.20

preferences:
54.95 ms | 400 KiB | 5 Q