3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo (!empty(null))?("true"):("false"); echo (null == "")?("true"):("false"); echo ("" === "")?("true"):("false");

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)
8.3.60.0090.00618.56
8.3.50.0120.00722.92
8.3.40.0060.00918.70
8.3.30.0070.00718.92
8.3.20.0070.00020.29
8.3.10.0040.00423.61
8.3.00.0000.00819.38
8.2.180.0070.00718.29
8.2.170.0070.00722.96
8.2.160.0120.00620.35
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00821.02
8.2.110.0060.00320.35
8.2.100.0080.00417.78
8.2.90.0070.00319.09
8.2.80.0040.00417.97
8.2.70.0060.00317.63
8.2.60.0080.00017.90
8.2.50.0000.00818.07
8.2.40.0030.00518.09
8.2.30.0040.00419.81
8.2.20.0040.00417.62
8.2.10.0070.00017.83
8.2.00.0030.00517.48
8.1.280.0110.01125.92
8.1.270.0050.00323.65
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0040.00422.00
8.1.230.0060.00620.93
8.1.220.0060.00317.74
8.1.210.0030.00618.77
8.1.200.0060.00317.22
8.1.190.0000.00817.10
8.1.180.0000.00818.10
8.1.170.0040.00418.51
8.1.160.0050.00221.89
8.1.150.0040.00418.72
8.1.140.0030.00517.23
8.1.130.0000.00717.67
8.1.120.0000.00817.35
8.1.110.0040.00417.28
8.1.100.0030.00417.31
8.1.90.0030.00317.32
8.1.80.0000.00817.32
8.1.70.0030.00317.27
8.1.60.0030.00617.47
8.1.50.0050.00217.29
8.1.40.0000.00717.37
8.1.30.0040.00417.51
8.1.20.0040.00417.37
8.1.10.0050.00317.40
8.1.00.0040.00417.41
8.0.300.0000.00818.77
8.0.290.0070.00016.75
8.0.280.0000.00718.39
8.0.270.0070.00017.15
8.0.260.0040.00417.21
8.0.250.0030.00316.93
8.0.240.0030.00316.99
8.0.230.0000.00716.79
8.0.220.0030.00316.76
8.0.210.0030.00316.79
8.0.200.0000.00616.91
8.0.190.0000.00716.85
8.0.180.0070.00016.75
8.0.170.0040.00416.88
8.0.160.0000.00716.70
8.0.150.0050.00316.85
8.0.140.0060.00616.75
8.0.130.0000.00813.24
8.0.120.0040.00416.78
8.0.110.0070.00016.89
8.0.100.0040.00416.62
8.0.90.0050.00216.65
8.0.80.0000.02216.79
8.0.70.0000.00716.88
8.0.60.0040.00416.80
8.0.50.0000.00716.89
8.0.30.0090.01217.04
8.0.20.0120.01017.40
8.0.10.0080.00016.96
8.0.00.0110.00716.81
7.4.330.0000.00515.07
7.4.320.0060.00016.38
7.4.300.0030.00316.42
7.4.290.0000.00716.36
7.4.280.0000.00816.45
7.4.270.0000.00716.34
7.4.260.0040.00416.25
7.4.250.0000.00816.44
7.4.240.0030.00416.42
7.4.230.0040.00416.17
7.4.220.0150.00316.51
7.4.210.0030.01016.37
7.4.200.0040.00316.38
7.4.160.0060.01016.33
7.4.150.0070.01217.40
7.4.140.0140.00817.86
7.4.130.0080.00916.47
7.4.120.0130.00616.43
7.4.110.0100.00616.48
7.4.100.0050.01416.41
7.4.90.0110.00716.63
7.4.80.0130.00619.39
7.4.70.0060.01016.32
7.4.60.0070.01016.47
7.4.50.0000.00816.42
7.4.40.0120.00316.42
7.4.30.0100.00616.29
7.4.00.0060.00914.73
7.3.330.0030.00312.99
7.3.320.0000.00512.94
7.3.310.0040.00416.06
7.3.300.0050.00216.04
7.3.290.0070.00716.13
7.3.280.0100.00516.19
7.3.270.0050.01317.40
7.3.260.0070.01016.37
7.3.250.0090.00816.23
7.3.240.0100.00716.10
7.3.230.0170.00616.41
7.3.210.0070.01116.28
7.3.200.0060.00919.39
7.3.190.0060.01016.23
7.3.180.0090.00616.49
7.3.170.0090.01016.27
7.3.160.0130.00316.16
7.3.10.0120.00816.27
7.3.00.0090.00816.46
7.2.330.0060.01116.50
7.2.320.0070.01716.37
7.2.310.0060.01016.42
7.2.300.0060.00916.29
7.2.290.0050.01116.32
7.2.130.0160.00216.39
7.2.120.0140.00916.53
7.2.110.0130.00516.60
7.2.100.0120.00616.46
7.2.90.0110.00616.49
7.2.80.0080.00816.64
7.2.70.0130.00916.32
7.2.60.0100.00716.69
7.2.50.0110.00716.54
7.2.40.0100.01016.55
7.2.30.0130.00816.37
7.2.20.0060.01016.62
7.2.10.0090.00916.60
7.2.00.0100.00716.72
7.1.250.0140.00315.33
7.1.200.0040.00815.79
7.1.70.0050.00517.08
7.1.60.0070.01719.46
7.1.50.0130.00916.82
7.1.00.0100.06722.41
7.0.200.0070.00316.49
7.0.140.0000.07721.96
7.0.60.0170.03719.99
7.0.50.0030.04017.89
7.0.40.0070.07320.31
7.0.30.0500.04020.16
7.0.20.0200.04320.16
7.0.10.0130.08320.09
7.0.00.0100.05320.09
5.6.280.0070.07021.12
5.6.210.0170.06720.59
5.6.200.0070.08718.23
5.6.190.0070.09020.41
5.6.180.0470.05020.78
5.6.170.0230.04020.50
5.6.160.0030.04320.47
5.6.150.0100.07018.22
5.6.140.0130.08018.15
5.6.130.0100.07318.24
5.6.120.0070.08321.00
5.6.110.0130.07320.99
5.6.100.0130.08021.13
5.6.90.0030.05321.11
5.6.80.0170.03720.41
5.5.350.0170.08320.51
5.5.340.0130.03017.89
5.5.330.0070.06020.39
5.5.320.0200.04320.12
5.5.310.0330.07020.24
5.5.300.0000.05717.96
5.5.290.0030.05318.00
5.5.280.0130.07020.89
5.5.270.0100.07720.85
5.5.260.0030.07720.88
5.5.250.0130.04020.61
5.5.240.0170.08020.00
5.4.450.0100.03319.55
5.4.440.0300.05719.16
5.4.430.0100.05019.41
5.4.420.0270.04319.19
5.4.410.0370.03719.19
5.4.400.0530.03718.98
5.4.390.0330.03718.95
5.4.380.0500.06318.80
5.4.370.0330.05018.73
5.4.360.0630.05318.77
5.4.350.0330.05018.78
5.4.340.0300.05018.58
5.4.320.0080.03512.50
5.4.310.0050.04012.49
5.4.300.0040.04012.49
5.4.290.0050.04212.49
5.4.280.0110.03712.39
5.4.270.0040.03812.39
5.4.260.0070.03612.39
5.4.250.0040.04012.39
5.4.240.0080.03512.39
5.4.230.0080.03712.38
5.4.220.0080.03512.38
5.4.210.0060.03512.38
5.4.200.0070.03812.38
5.4.190.0060.03712.38
5.4.180.0070.03512.38
5.4.170.0070.03612.38
5.4.160.0090.03312.38
5.4.150.0070.03512.38
5.4.140.0060.03812.07
5.4.130.0090.04512.05
5.4.120.0060.03912.02
5.4.110.0040.03712.01
5.4.100.0080.03312.01
5.4.90.0080.03512.01
5.4.80.0050.03912.01
5.4.70.0060.04012.00
5.4.60.0090.03612.01
5.4.50.0060.03812.00
5.4.40.0090.03412.00
5.4.30.0100.03111.99
5.4.20.0120.04311.99
5.4.10.0040.03812.00
5.4.00.0070.03411.49
5.3.290.0080.04212.80
5.3.280.0060.04012.71
5.3.270.0070.04212.72
5.3.260.0070.04212.72
5.3.250.0060.04312.72
5.3.240.0090.03912.72
5.3.230.0050.04012.71
5.3.220.0100.03412.68
5.3.210.0110.04012.68
5.3.200.0110.03512.68
5.3.190.0050.03912.68
5.3.180.0060.04812.67
5.3.170.0060.04112.67
5.3.160.0040.04712.67
5.3.150.0100.04412.67
5.3.140.0060.04412.66
5.3.130.0060.04512.66
5.3.120.0060.04012.66
5.3.110.0060.04112.66
5.3.100.0080.03512.12
5.3.90.0070.04012.08
5.3.80.0100.04212.07
5.3.70.0080.04012.08
5.3.60.0050.03912.07
5.3.50.0090.04112.00
5.3.40.0060.03612.00
5.3.30.0040.04611.95
5.3.20.0070.04011.72
5.3.10.0100.04211.70
5.3.00.0060.04011.68
5.2.170.0050.0359.18
5.2.160.0070.0359.18
5.2.150.0040.0419.18
5.2.140.0040.0419.18
5.2.130.0030.0329.14
5.2.120.0070.0309.14
5.2.110.0050.0339.14
5.2.100.0070.0309.14
5.2.90.0050.0319.14
5.2.80.0080.0359.14
5.2.70.0030.0329.14
5.2.60.0050.0309.09
5.2.50.0070.0299.06
5.2.40.0080.0259.03
5.2.30.0090.0299.01
5.2.20.0030.0379.00
5.2.10.0040.0328.93
5.2.00.0070.0358.78
5.1.60.0030.0258.07
5.1.50.0060.0228.06
5.1.40.0070.0268.05
5.1.30.0110.0248.39
5.1.20.0080.0358.42
5.1.10.0050.0258.14
5.1.00.0060.0298.14
5.0.50.0040.0256.62
5.0.40.0050.0246.48
5.0.30.0030.0336.29
5.0.20.0020.0216.27
5.0.10.0060.0196.24
5.0.00.0060.0296.23
4.4.90.0050.0134.78
4.4.80.0000.0184.76
4.4.70.0010.0174.75
4.4.60.0060.0134.76
4.4.50.0020.0184.77
4.4.40.0030.0284.71
4.4.30.0030.0204.76
4.4.20.0040.0234.85
4.4.10.0060.0244.85
4.4.00.0010.0324.76
4.3.110.0050.0154.67
4.3.100.0030.0164.66
4.3.90.0030.0224.63
4.3.80.0030.0294.58
4.3.70.0050.0184.63
4.3.60.0020.0204.63
4.3.50.0040.0154.63
4.3.40.0050.0264.54
4.3.30.0050.0143.29
4.3.20.0010.0173.27
4.3.10.0050.0183.21
4.3.00.0070.01714.87

preferences:
38.26 ms | 401 KiB | 5 Q