3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = $y = 1; var_dump( (!$x === $y) === (!($x === $y)) ); $x = false; $y = true; var_dump(!$x === $y); var_dump(!($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)
8.3.60.0100.00718.48
8.3.50.0120.00721.15
8.3.40.0140.00018.86
8.3.30.0070.00718.95
8.3.20.0050.00320.39
8.3.10.0080.00023.49
8.3.00.0060.00319.26
8.2.180.0100.01016.50
8.2.170.0170.00322.96
8.2.160.0030.01020.52
8.2.150.0050.00224.18
8.2.140.0080.00024.66
8.2.130.0070.00326.16
8.2.120.0000.00822.17
8.2.110.0060.00320.50
8.2.100.0080.00318.16
8.2.90.0000.00719.05
8.2.80.0030.00517.97
8.2.70.0050.00317.50
8.2.60.0000.00817.93
8.2.50.0040.00418.07
8.2.40.0050.00319.82
8.2.30.0040.00417.94
8.2.20.0060.00317.55
8.2.10.0040.00418.02
8.2.00.0070.00017.81
8.1.280.0100.00325.92
8.1.270.0060.00322.00
8.1.260.0000.00926.35
8.1.250.0070.00028.09
8.1.240.0040.00423.83
8.1.230.0070.00419.15
8.1.220.0060.00317.79
8.1.210.0000.00818.77
8.1.200.0060.00317.11
8.1.190.0030.00617.35
8.1.180.0040.00418.10
8.1.170.0080.00018.59
8.1.160.0050.00221.94
8.1.150.0030.00718.88
8.1.140.0030.00517.36
8.1.130.0030.00317.83
8.1.120.0040.00417.36
8.1.110.0000.00817.46
8.1.100.0000.00717.46
8.1.90.0040.00417.46
8.1.80.0000.00717.34
8.1.70.0030.00317.39
8.1.60.0030.00617.57
8.1.50.0000.00917.49
8.1.40.0000.01017.36
8.1.30.0000.00817.59
8.1.20.0000.00817.70
8.1.10.0050.00217.54
8.1.00.0000.00817.46
8.0.300.0020.00518.77
8.0.290.0040.00416.75
8.0.280.0030.00318.37
8.0.270.0030.00317.12
8.0.260.0040.00417.31
8.0.250.0030.00316.82
8.0.240.0040.00416.81
8.0.230.0030.00316.90
8.0.220.0030.00316.85
8.0.210.0000.00716.81
8.0.200.0070.00016.83
8.0.190.0080.00016.94
8.0.180.0030.00616.82
8.0.170.0050.00316.90
8.0.160.0040.00716.95
8.0.150.0040.00416.82
8.0.140.0070.00016.88
8.0.130.0050.00013.27
8.0.120.0070.00016.80
8.0.110.0070.00016.78
8.0.100.0000.00716.79
8.0.90.0070.00016.93
8.0.80.0070.01416.94
8.0.70.0040.00416.68
8.0.60.0000.00716.66
8.0.50.0080.00016.77
8.0.30.0070.01216.95
8.0.20.0120.01017.40
8.0.10.0040.00316.80
8.0.00.0080.01016.55
7.4.330.0050.00015.00
7.4.320.0000.00716.52
7.4.300.0000.00616.48
7.4.290.0000.00816.42
7.4.280.0030.00516.61
7.4.270.0060.00016.57
7.4.260.0070.00016.57
7.4.250.0030.00316.46
7.4.240.0020.00516.47
7.4.230.0040.00416.50
7.4.220.0100.00716.39
7.4.210.0030.01216.60
7.4.200.0000.00716.49
7.4.160.0130.00316.50
7.4.150.0180.00017.40
7.4.140.0070.01117.86
7.4.130.0040.01316.38
7.4.120.0070.01016.43
7.4.110.0060.01616.53
7.4.100.0030.01316.48
7.4.90.0160.00016.49
7.4.80.0080.01119.39
7.4.70.0190.00316.52
7.4.60.0100.00616.46
7.4.50.0000.00416.46
7.4.40.0060.01116.54
7.4.30.0080.00816.56
7.4.00.0070.01015.05
7.3.330.0000.00513.09
7.3.320.0030.00313.18
7.3.310.0040.00416.22
7.3.300.0030.00316.17
7.3.290.0060.01116.27
7.3.280.0070.00916.30
7.3.270.0030.01317.40
7.3.260.0040.01416.30
7.3.250.0050.01216.36
7.3.240.0120.00716.41
7.3.230.0100.00616.46
7.3.210.0080.01116.43
7.3.200.0040.02119.39
7.3.190.0110.00516.43
7.3.180.0100.00716.34
7.3.170.0030.01316.50
7.3.160.0030.01316.42
7.2.330.0150.00316.68
7.2.320.0120.00916.33
7.2.310.0130.00616.36
7.2.300.0000.02316.63
7.2.290.0030.01616.75
7.2.60.0030.01016.92
7.2.00.0040.00719.09
7.1.200.0020.00515.96
7.1.100.0030.01318.20
7.1.70.0040.00417.02
7.1.60.0100.01319.32
7.1.50.0040.00716.69
7.1.00.0030.07722.36
7.0.200.0000.00816.49
7.0.140.0030.07321.95
7.0.60.0070.08019.87
7.0.50.0000.04717.82
7.0.40.0070.04319.98
7.0.30.0170.04720.02
7.0.20.0370.06720.16
7.0.10.0070.08720.16
7.0.00.0030.05020.33
5.6.280.0070.06320.81
5.6.210.0100.05720.56
5.6.200.0070.03718.18
5.6.190.0030.07720.45
5.6.180.3330.04320.61
5.6.170.0330.06320.71
5.6.160.0130.08020.33
5.6.150.0000.06018.22
5.6.140.0000.06318.15
5.6.130.0000.04318.08
5.6.120.0130.07721.01
5.6.110.0030.04021.11
5.6.100.0030.07321.00
5.6.90.0070.04020.99
5.6.80.0130.06720.37
5.6.70.3970.02720.37
5.5.350.0130.06720.40
5.5.340.0100.06317.88
5.5.330.0030.09020.37
5.5.320.0300.07020.17
5.5.310.0300.06720.17
5.5.300.0100.08018.01
5.5.290.0030.07018.01
5.5.280.0100.07720.88
5.5.270.0170.07020.86
5.5.260.0070.07020.67
5.5.250.0100.05720.68
5.5.240.0330.06320.02
5.4.450.0100.07719.61
5.4.440.0030.05019.56
5.4.430.0100.06019.43
5.4.420.0000.08319.56
5.4.410.0030.07019.08
5.4.400.0030.07719.14
5.4.390.0000.04019.05
5.4.380.0070.03319.09
5.4.370.0030.04319.16
5.4.360.0000.08318.90
5.4.350.0030.07319.11
5.4.340.0000.06018.79
5.4.320.0070.04319.09
5.4.310.0030.04318.81
5.4.300.0070.04018.78
5.4.290.0030.04019.09
5.4.280.0030.04019.13
5.4.270.0000.05019.24
5.4.260.0030.04719.08
5.4.250.0030.07318.92
5.4.240.0070.06019.09
5.4.230.0100.05718.91
5.4.220.0070.07719.13
5.4.210.0000.04319.07
5.4.200.0070.04719.12
5.4.190.0070.07718.87
5.4.180.0100.06319.24
5.4.170.0000.04019.12
5.4.160.0030.05719.09
5.4.150.0070.07319.04
5.4.140.0070.03716.34
5.4.130.0000.07316.40
5.4.120.0030.05716.25
5.4.110.0030.07016.47
5.4.100.0030.04716.50
5.4.90.0030.06316.06
5.4.80.0030.07316.48
5.4.70.0000.07016.41
5.4.60.0030.04016.47
5.4.50.0030.05316.03
5.4.40.0030.04316.38
5.4.30.0000.05716.36
5.4.20.0030.05716.45
5.4.10.0030.05316.46
5.4.00.0070.06015.63
5.3.290.0000.04314.52
5.3.280.0030.05714.45
5.3.270.0000.04714.59
5.3.260.0030.07714.55
5.3.250.0000.06014.48
5.3.240.0030.04314.51
5.3.230.0100.06714.57
5.3.220.0000.08014.43
5.3.210.0000.06714.46
5.3.200.0070.05314.51
5.3.190.0000.07314.50
5.3.180.0030.07714.51
5.3.170.0070.05314.41
5.3.160.0030.03314.41
5.3.150.0000.06714.40
5.3.140.0030.07714.39
5.3.130.0030.07014.39
5.3.120.0000.07014.38
5.3.110.0070.05314.40
5.3.100.0000.04713.89
5.3.90.0070.04313.96
5.3.80.0100.03713.92
5.3.70.0000.04713.79
5.3.60.0000.06313.98
5.3.50.0070.07313.97
5.3.40.0030.07713.74
5.3.30.0000.07713.86
5.3.20.0030.04313.66
5.3.10.0030.05013.61
5.3.00.0070.04313.59
5.2.170.0000.04312.13
5.2.160.0000.06312.13
5.2.150.0000.04712.13
5.2.140.0070.05712.13
5.2.130.0000.04012.13
5.2.120.0070.06012.13
5.2.110.0070.05712.13
5.2.100.0030.06312.13
5.2.90.0000.06312.13
5.2.80.0000.04712.13
5.2.70.0070.03712.13
5.2.60.0030.03312.13
5.2.50.0070.04712.13
5.2.40.0070.05712.13
5.2.30.0000.06312.13
5.2.20.0030.06312.13
5.2.10.0000.03712.13
5.2.00.0070.05312.13
5.1.60.0030.05312.13
5.1.50.0000.05712.13
5.1.40.0000.04012.13
5.1.30.0000.03712.13
5.1.20.0000.05712.13
5.1.10.0000.03712.13
5.1.00.0030.04312.13
5.0.50.0030.04312.13
5.0.40.0000.04712.13
5.0.30.0000.06712.13
5.0.20.0070.04012.13
5.0.10.0070.02312.13
5.0.00.0000.03712.13
4.4.90.0000.02012.13
4.4.80.0000.03712.13
4.4.70.0030.01712.13
4.4.60.0030.03712.13
4.4.50.0000.03712.13
4.4.40.0030.05012.13
4.4.30.0030.03312.13
4.4.20.0000.02312.13
4.4.10.0000.02312.13
4.4.00.0000.03012.13
4.3.110.0000.04012.13
4.3.100.0000.03712.13
4.3.90.0000.02712.13
4.3.80.0100.04712.13
4.3.70.0000.03712.13
4.3.60.0000.02712.13
4.3.50.0030.03012.13
4.3.40.0070.04312.13
4.3.30.0000.02712.13
4.3.20.0000.04012.13
4.3.10.0000.03312.13
4.3.00.0000.02712.13

preferences:
45.31 ms | 401 KiB | 5 Q