3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = false; var_dump($x !== "" && $x == null); $x = 0; var_dump($x !== "" && $x == null); $x = array(); var_dump($x !== "" && $x == null); $x = 0.0; var_dump($x !== "" && $x == null); $x = null; var_dump($x !== "" && $x == null); // undefined var var_dump($y !== "" && $y == null);

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)
8.3.60.0070.01516.63
8.3.50.0130.00518.08
8.3.40.0090.00618.75
8.3.30.0100.00718.56
8.3.20.0040.00418.64
8.3.10.0120.00420.57
8.3.00.0090.00919.13
8.2.180.0090.01225.92
8.2.170.0130.00318.89
8.2.160.0110.00322.96
8.2.150.0080.00025.66
8.2.140.0070.00724.66
8.2.130.0050.00326.16
8.2.120.0090.00318.67
8.2.110.0090.00020.99
8.2.100.0090.00317.91
8.2.90.0000.00819.25
8.2.80.0000.00817.97
8.2.70.0080.00017.50
8.2.60.0000.00918.03
8.2.50.0000.00918.10
8.2.40.0040.00418.22
8.2.30.0000.00718.02
8.2.20.0060.00317.57
8.2.10.0000.00817.60
8.2.00.0050.00317.79
8.1.280.0100.00725.92
8.1.270.0070.00023.99
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0100.00021.16
8.1.230.0070.00417.83
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0060.00317.38
8.1.190.0040.00417.35
8.1.180.0050.00218.10
8.1.170.0000.00818.84
8.1.160.0040.00418.92
8.1.150.0040.00418.53
8.1.140.0000.00817.38
8.1.130.0000.00717.68
8.1.120.0070.00017.44
8.1.110.0020.00517.43
8.1.100.0040.00417.44
8.1.90.0070.00017.34
8.1.80.0000.00717.48
8.1.70.0040.00417.39
8.1.60.0000.00817.46
8.1.50.0040.00417.38
8.1.40.0000.00817.54
8.1.30.0050.00317.63
8.1.20.0040.00417.60
8.1.10.0040.00417.49
8.1.00.0040.00417.29
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0050.00318.43
8.0.270.0050.00317.29
8.0.260.0060.00016.91
8.0.250.0040.00416.92
8.0.240.0000.00716.97
8.0.230.0050.00317.07
8.0.220.0040.00416.95
8.0.210.0040.00416.84
8.0.200.0030.00316.99
8.0.190.0080.00016.97
8.0.180.0000.00716.89
8.0.170.0040.00416.82
8.0.160.0050.00316.99
8.0.150.0080.00016.95
8.0.140.0000.00816.79
8.0.130.0030.00313.33
8.0.120.0000.00816.96
8.0.110.0040.00416.77
8.0.100.0000.00817.04
8.0.90.0040.00416.81
8.0.80.0060.00916.91
8.0.70.0000.00717.01
8.0.60.0000.00716.79
8.0.50.0040.00416.89
8.0.30.0060.01117.26
8.0.20.0070.01317.09
8.0.10.0030.00316.89
8.0.00.0050.01416.78
7.4.330.0050.00012.99
7.4.320.0000.00616.60
7.4.300.0050.00216.38
7.4.290.0070.00016.65
7.4.280.0000.00816.50
7.4.270.0000.00716.57
7.4.260.0050.00013.24
7.4.250.0040.00416.56
7.4.240.0000.00716.40
7.4.230.0030.00316.49
7.4.220.0090.01616.57
7.4.210.0080.00616.67
7.4.200.0040.00416.41
7.4.190.0040.00416.63
7.4.160.0170.00016.63
7.4.150.0030.01716.58
7.4.140.0060.01316.46
7.4.130.0100.01316.41
7.4.120.0110.00616.42
7.4.110.0070.01016.38
7.4.100.0070.01416.64
7.4.90.0170.01716.61
7.4.80.0140.01019.39
7.4.70.0170.00016.26
7.4.60.0130.00316.59
7.4.50.0020.00216.49
7.4.40.0030.01016.32
7.4.30.0030.01416.52
7.4.00.0030.01215.22
7.3.330.0000.00613.16
7.3.320.0000.00613.05
7.3.310.0030.00316.40
7.3.300.0000.00716.27
7.3.290.0060.01016.30
7.3.280.0060.01216.30
7.3.270.0000.01616.59
7.3.260.0120.00916.62
7.3.250.0100.01116.38
7.3.240.0100.00716.56
7.3.230.0120.00916.33
7.3.210.0080.00816.21
7.3.200.0080.00816.47
7.3.190.0060.01016.24
7.3.180.0150.00016.41
7.3.170.0070.01116.51
7.3.160.0100.00616.29
7.3.120.0070.00714.63
7.3.110.0060.00614.85
7.3.100.0030.01214.83
7.3.90.0070.00714.60
7.3.80.0030.01014.81
7.3.70.0030.01214.39
7.3.60.0090.00014.33
7.3.50.0070.00714.67
7.3.40.0040.00714.65
7.3.30.0090.00314.78
7.3.20.0000.01616.49
7.3.10.0080.00816.66
7.3.00.0060.01016.51
7.2.330.0060.01216.64
7.2.320.0180.00416.64
7.2.310.0120.00616.62
7.2.300.0080.01016.29
7.2.290.0060.01216.62
7.2.240.0100.00315.15
7.2.230.0050.00515.11
7.2.220.0000.01214.96
7.2.210.0040.00815.18
7.2.200.0050.00314.92
7.2.190.0070.01014.94
7.2.180.0070.01014.88
7.2.170.0000.01414.65
7.2.160.0040.00814.79
7.2.150.0040.00816.71
7.2.140.0040.01116.95
7.2.130.0100.00916.62
7.2.120.0050.01016.79
7.2.110.0070.00516.63
7.2.100.0050.00916.67
7.2.90.0090.00616.71
7.2.80.0060.00616.67
7.2.70.0080.00716.62
7.2.60.0080.00816.61
7.2.50.0020.01116.67
7.2.40.0050.01016.72
7.2.30.0030.01216.63
7.2.20.0030.00916.78
7.2.10.0090.00616.67
7.2.00.0050.00817.76
7.1.330.0040.00816.00
7.1.320.0090.00615.71
7.1.310.0090.00315.94
7.1.300.0000.01615.44
7.1.290.0000.01415.75
7.1.280.0000.01415.77
7.1.270.0060.00915.65
7.1.260.0030.01115.43
7.1.250.0080.00515.64
7.1.100.0060.00618.02
7.1.70.0060.00916.77
7.1.60.0130.01319.31
7.1.50.0030.00716.54
7.1.00.0000.03722.44
7.0.200.0160.00915.10
7.0.140.0070.07022.09
7.0.120.0030.06722.21
7.0.60.0070.08720.04
7.0.50.0030.09017.83
7.0.40.0130.08320.06
7.0.30.0570.06320.20
7.0.20.0300.05020.00
7.0.10.0000.06020.19
7.0.00.0100.08020.17
5.6.280.0070.07021.01
5.6.210.0200.06020.63
5.6.200.0070.08718.21
5.6.190.0030.04320.41
5.6.180.0570.07720.64
5.6.170.0370.07720.50
5.6.160.0070.08720.56
5.6.150.0070.07318.14
5.6.140.0130.03318.21
5.6.130.0070.08018.16
5.6.120.0130.07720.98
5.6.110.0070.05021.03
5.6.100.0030.08020.88
5.6.90.0030.09021.12
5.6.80.0030.06020.28
5.5.350.0230.08020.48
5.5.340.0030.04317.92
5.5.330.0070.04020.40
5.5.320.0330.06720.18
5.5.310.0270.08020.29
5.5.300.0100.03317.96
5.5.290.0070.06718.02
5.5.280.0130.07320.88
5.5.270.0130.07720.77
5.5.260.0100.06020.86
5.5.250.0130.07720.61
5.5.240.0000.07020.27
5.4.450.0300.03720.39
5.4.440.0430.04720.32
5.4.430.0330.04319.97
5.4.420.0070.05019.94
5.4.410.0400.03319.60
5.4.400.0400.04719.60
5.4.390.0270.04019.60
5.4.380.0600.03719.46
5.4.370.0170.04719.22
5.4.360.0330.04719.22
5.4.350.0370.03719.19
5.4.340.0230.05019.03
5.4.320.0400.04319.03
5.4.310.0270.04319.13
5.4.300.0670.04319.15
5.4.290.0670.03319.05
5.4.280.0370.05019.08
5.4.270.0670.03319.15
5.4.260.0730.04019.24
5.4.250.0600.03718.89
5.4.240.0600.03719.03
5.4.230.0770.04019.21
5.4.220.0370.04719.07
5.4.210.0270.04719.12
5.4.200.0800.03019.21
5.4.190.0270.04019.12
5.4.180.0470.03719.06
5.4.170.0400.04018.75
5.4.160.0370.04319.04
5.4.150.0470.04318.86
5.4.140.0730.03017.99
5.4.130.0470.03717.99
5.4.120.0530.03717.99
5.4.110.0430.04017.98
5.4.100.0470.03317.98
5.4.90.0400.04017.98
5.4.80.0870.03717.73
5.4.70.0700.04017.68
5.4.60.0330.04717.45
5.4.50.0570.04017.45
5.4.40.0630.04017.45
5.4.30.0700.04717.15
5.4.20.0630.04716.99
5.4.10.0330.03716.99
5.4.00.0270.03716.99
5.3.290.0270.04319.03
5.3.280.0230.03718.89
5.3.270.0630.03318.28
5.3.260.0430.04318.27
5.3.250.0530.03317.99
5.3.240.0530.03717.99
5.3.230.0530.04317.99
5.3.220.0630.03317.99
5.3.210.0730.03017.98
5.3.200.0570.04017.98
5.3.190.0470.03717.98
5.3.180.0100.03317.98
5.3.170.0530.04017.73
5.3.160.0330.03717.45
5.3.150.0500.03317.45
5.3.140.0400.03717.45
5.3.130.0630.04317.15
5.3.120.0600.03717.15
5.3.110.0400.03716.99
5.3.100.0570.05016.99
5.3.90.0500.05316.99
5.3.80.0530.03716.99
5.3.70.0830.04316.99
5.3.60.0400.05016.99
5.3.50.0500.03016.98
5.3.40.0400.04016.72
5.3.30.0470.05016.71
5.3.20.0300.03716.52
5.3.10.0600.03716.52
5.3.00.0430.04716.51
5.2.170.0630.03016.98
5.2.160.0300.03016.97
5.2.150.0530.03716.72
5.2.140.0370.04016.52
5.2.130.0100.02716.52
5.2.120.0500.03016.52
5.2.110.0830.04016.52
5.2.100.0600.03316.51
5.2.90.0530.04316.51
5.2.80.0600.03016.50
5.2.70.0170.03316.50
5.2.60.0430.03716.50
5.2.50.0700.02316.28
5.2.40.0370.02716.27
5.2.30.0400.04316.27
5.2.20.0370.03316.27
5.2.10.0170.06016.26
5.2.00.0470.03316.26
5.1.60.0430.05716.26
5.1.50.0570.03716.26
5.1.40.0330.04716.26
5.1.30.0230.03716.26
5.1.20.0070.03016.26
5.1.10.0030.02016.26
5.1.00.0630.04016.26
5.0.50.0200.02016.26
5.0.40.0200.02016.25
5.0.30.0330.03716.25
5.0.20.0170.02716.25
5.0.10.0130.02716.25
5.0.00.0000.03016.25
4.4.90.0230.03716.50
4.4.80.0300.02316.50
4.4.70.0330.01716.27
4.4.60.0270.03716.27
4.4.50.0400.02316.27
4.4.40.0070.02716.26
4.4.30.0100.01716.26
4.4.20.0170.01316.26
4.4.10.0030.02016.26
4.4.00.0230.03316.25
4.3.110.0330.02016.25
4.3.100.0130.02016.25
4.3.90.0130.01716.25
4.3.80.0270.05716.25
4.3.70.0100.02016.25
4.3.60.0370.01016.25
4.3.50.0270.01316.25
4.3.40.0330.03716.25
4.3.30.0170.03316.25
4.3.20.0070.02016.25
4.3.10.0070.04316.25
4.3.00.0130.01016.25

preferences:
57.74 ms | 401 KiB | 5 Q