3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo 2; echo (int) empty(0) . "\n"; echo (int) empty(1) . "\n"; echo (int) empty("") . "\n"; echo (int) empty("hello") . "\n"; echo (int) empty(empty(empty(0))); echo 3;

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)
8.3.60.0120.00316.63
8.3.50.0130.00521.93
8.3.40.0030.01218.81
8.3.30.0110.00418.88
8.3.20.0050.00319.98
8.3.10.0040.00423.73
8.3.00.0090.00020.82
8.2.180.0080.00818.06
8.2.170.0140.00322.96
8.2.160.0070.00720.46
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0070.01026.16
8.2.120.0040.00422.21
8.2.110.0040.00422.13
8.2.100.0090.00317.78
8.2.90.0040.00419.11
8.2.80.0060.00317.97
8.2.70.0030.00917.50
8.2.60.0040.00418.04
8.2.50.0060.00318.07
8.2.40.0040.00418.03
8.2.30.0040.00418.00
8.2.20.0050.00317.71
8.2.10.0050.00317.61
8.2.00.0000.00717.49
8.1.280.0070.01425.92
8.1.270.0100.00623.99
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00323.71
8.1.230.0090.00319.25
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0000.00817.23
8.1.190.0050.00317.51
8.1.180.0050.00318.10
8.1.170.0060.00318.59
8.1.160.0000.00822.01
8.1.150.0070.00018.64
8.1.140.0050.00317.43
8.1.130.0080.00017.76
8.1.120.0000.00717.33
8.1.110.0000.00717.27
8.1.100.0000.00717.39
8.1.90.0040.00417.25
8.1.80.0030.00317.27
8.1.70.0030.00517.33
8.1.60.0060.00317.58
8.1.50.0000.00817.45
8.1.40.0040.00417.47
8.1.30.0040.00417.54
8.1.20.0040.00417.50
8.1.10.0000.00817.40
8.1.00.0070.00317.39
8.0.300.0060.00318.77
8.0.290.0070.00017.15
8.0.280.0030.00318.29
8.0.270.0000.00717.14
8.0.260.0000.00716.67
8.0.250.0070.00016.94
8.0.240.0070.00016.82
8.0.230.0030.00316.98
8.0.220.0030.00316.83
8.0.210.0000.00716.85
8.0.200.0000.00616.84
8.0.190.0040.00416.93
8.0.180.0000.00716.80
8.0.170.0040.00416.81
8.0.160.0040.00416.93
8.0.150.0050.00316.68
8.0.140.0030.00316.75
8.0.130.0000.00513.27
8.0.120.0000.00816.76
8.0.110.0050.00316.92
8.0.100.0050.00316.68
8.0.90.0070.00016.93
8.0.80.0070.01416.95
8.0.70.0040.00416.84
8.0.60.0000.00816.93
8.0.50.0000.00716.60
8.0.30.0120.00616.95
8.0.20.0110.00817.40
8.0.10.0000.00716.93
8.0.00.0080.01016.58
7.4.330.0030.00315.07
7.4.320.0060.00016.52
7.4.300.0030.00316.36
7.4.290.0030.00316.39
7.4.280.0040.00416.36
7.4.270.0030.00316.45
7.4.260.0000.00716.39
7.4.250.0040.00416.40
7.4.240.0020.00516.34
7.4.230.0040.00416.49
7.4.220.0080.00816.40
7.4.210.0050.01116.42
7.4.200.0030.00316.34
7.4.190.0070.00016.32
7.4.160.0090.00616.28
7.4.150.0090.00917.40
7.4.140.0160.00317.86
7.4.130.0130.00516.40
7.4.120.0050.01116.31
7.4.110.0120.00916.36
7.4.100.0100.01316.26
7.4.90.0100.00716.41
7.4.80.0150.00619.39
7.4.70.0040.01216.37
7.4.60.0190.01016.55
7.4.50.0000.00816.10
7.4.40.0070.00722.77
7.4.30.0030.01316.40
7.4.00.0100.00714.50
7.3.330.0060.00013.26
7.3.320.0060.00013.10
7.3.310.0000.00716.31
7.3.300.0000.00716.27
7.3.290.0030.01016.20
7.3.280.0100.00616.31
7.3.270.0100.00717.40
7.3.260.0090.00916.59
7.3.250.0120.00916.26
7.3.240.0070.01016.16
7.3.230.0030.01416.39
7.3.210.0160.00016.69
7.3.200.0080.00919.39
7.3.190.0100.01016.48
7.3.180.0100.01016.29
7.3.170.0100.01016.47
7.3.160.0100.01016.45
7.3.120.0070.00717.15
7.3.110.0030.01017.15
7.3.100.0030.00917.15
7.3.90.0030.00817.15
7.3.80.0030.00917.15
7.3.70.0060.00317.15
7.3.60.0060.00917.15
7.3.50.0070.00717.15
7.3.40.0060.00617.15
7.3.30.0070.01017.15
7.3.20.0000.01517.15
7.3.10.0070.01117.15
7.3.00.0000.01417.15
7.2.330.0120.00916.36
7.2.320.0080.00916.63
7.2.310.0060.01616.38
7.2.300.0090.00916.20
7.2.290.0130.01016.36
7.2.240.0000.01217.15
7.2.230.0000.01117.15
7.2.220.0090.00917.15
7.2.210.0110.00417.15
7.2.200.0060.00917.15
7.2.190.0060.00917.15
7.2.180.0060.00317.15
7.2.170.0030.01217.15
7.2.160.0100.00317.15
7.2.150.0050.00517.15
7.2.140.0070.01117.15
7.2.130.0100.00717.15
7.2.120.0130.00017.15
7.2.110.0000.01517.15
7.2.100.0080.00417.15
7.2.90.0120.00317.15
7.2.80.0060.00917.15
7.2.70.0000.01017.15
7.2.60.0100.00717.15
7.2.50.0000.01317.15
7.2.40.0080.00817.15
7.2.30.0060.00917.15
7.2.20.0030.01217.15
7.2.10.0030.00917.15
7.2.00.0080.00618.18
7.1.330.0040.01117.15
7.1.320.0060.01117.15
7.1.310.0040.01117.15
7.1.300.0030.01317.15
7.1.290.0030.01217.15
7.1.280.0110.00417.15
7.1.270.0030.01017.15
7.1.260.0030.00917.15
7.1.250.0090.00317.15
7.1.100.0060.00618.14
7.1.70.0040.00416.99
7.1.60.0070.01819.29
7.1.50.0070.01416.72
7.1.00.0030.07722.57
7.0.200.0040.00416.54
7.0.140.0000.07321.95
7.0.100.0270.03719.91
7.0.90.0030.06720.01
7.0.80.0100.07319.98
7.0.70.0030.07719.92
7.0.60.0100.07019.95
7.0.50.0030.06320.33
7.0.40.0100.07320.04
7.0.30.0170.03320.15
7.0.20.0070.04320.10
7.0.10.0170.05020.09
7.0.00.0200.06320.07
5.6.280.0030.07320.77
5.6.250.0070.07020.51
5.6.240.0070.08020.70
5.6.230.0070.09020.63
5.6.220.0100.07720.61
5.6.210.0000.04320.76
5.6.200.0070.04021.07
5.6.190.0030.05321.10
5.6.180.0070.06720.95
5.6.170.0030.05021.10
5.6.160.0000.04721.06
5.6.150.0100.05021.04
5.6.140.0000.05021.04
5.6.130.0100.07021.03
5.6.120.0030.06320.99
5.6.110.0100.05721.06
5.6.100.0130.07720.93
5.6.90.0170.04021.10
5.6.80.0070.05020.39
5.6.70.0130.05720.33
5.6.60.0100.04720.36
5.6.50.0030.08720.42
5.6.40.0070.04320.29
5.6.30.0100.08320.43
5.6.20.0100.04320.43
5.6.10.0130.03320.38
5.6.00.0030.05720.50
5.5.380.0170.06320.54
5.5.370.0130.06320.41
5.5.360.0030.04720.43
5.5.350.0130.03720.33
5.5.340.0070.08320.86
5.5.330.0070.06020.87
5.5.320.0100.06020.68
5.5.310.0100.05020.91
5.5.300.0070.08020.87
5.5.290.0100.07020.86
5.5.280.0070.04720.87
5.5.270.0100.04020.90
5.5.260.0070.07720.86
5.5.250.0100.06320.69
5.5.240.0070.04320.14
5.5.230.0070.05020.23
5.5.220.0070.04020.27
5.5.210.0070.04020.16
5.5.200.0100.07720.22
5.5.190.0130.03720.25
5.5.180.0130.07720.23
5.5.160.0030.05720.12
5.5.150.0100.04719.97
5.5.140.0200.04320.06
5.5.130.0100.07319.98
5.5.120.0130.07320.11
5.5.110.0100.04020.11
5.5.100.0130.06020.12
5.5.90.0100.03320.14
5.5.80.0130.04020.08
5.5.70.0100.04320.06
5.5.60.0070.07319.99
5.5.50.0130.04720.14
5.5.40.0100.07020.14
5.5.30.0100.04020.13
5.5.20.0100.05319.92
5.5.10.0100.07020.03
5.5.00.0030.05020.01
5.4.450.0070.03719.36
5.4.440.0030.03319.42
5.4.430.0000.07719.60
5.4.420.0100.06719.36
5.4.410.0000.07719.15
5.4.400.0030.05019.05
5.4.390.0100.07319.14
5.4.380.0070.08019.23
5.4.370.0070.03719.18
5.4.360.0100.03719.14
5.4.350.0100.03318.87
5.4.340.0100.06719.09
5.4.320.0130.03719.14
5.4.310.0100.06318.95
5.4.300.0030.05719.16
5.4.290.0100.06019.04
5.4.280.0130.06319.18
5.4.270.0200.03719.23
5.4.260.0000.04719.23
5.4.250.0070.07319.02
5.4.240.0170.03719.16
5.4.230.0130.04018.87
5.4.220.0000.05318.90
5.4.210.0100.07318.90
5.4.200.0100.03719.15
5.4.190.0030.04018.86
5.4.180.0170.05018.89
5.4.170.0070.06318.86
5.4.160.0170.06019.01
5.4.150.0130.04019.07
5.4.140.0200.04716.42
5.4.130.0100.07316.40
5.4.120.0030.04316.49
5.4.110.0070.07316.47
5.4.100.0070.05316.46
5.4.90.0200.06016.43
5.4.80.0130.03316.38
5.4.70.0070.03316.48
5.4.60.0130.05716.47
5.4.50.0070.03316.44
5.4.40.0070.03716.46
5.4.30.0130.03316.42
5.4.20.0030.06316.40
5.4.10.0000.04016.38
5.4.00.0170.03015.87
5.3.290.0130.06714.52
5.3.280.0030.06714.46
5.3.270.0000.05314.59
5.3.260.0070.05714.44
5.3.250.0100.07014.59
5.3.240.0070.07714.56
5.3.230.0030.05314.61
5.3.220.0000.04014.53
5.3.210.0070.04014.43
5.3.200.0100.07014.55
5.3.190.0000.04314.57
5.3.180.0100.03714.52
5.3.170.0070.06314.40
5.3.160.0070.04314.42
5.3.150.0070.04314.48
5.3.140.0070.07314.41
5.3.130.0070.07714.54
5.3.120.0100.03314.41
5.3.110.0070.03714.46
5.3.100.0070.03713.89
5.3.90.0070.04313.88
5.3.80.0030.03314.01
5.3.70.0030.03714.00
5.3.60.0100.03013.98
5.3.50.0030.03713.90
5.3.40.0030.03713.93
5.3.30.0070.03013.66
5.3.20.0030.03713.68
5.3.10.0070.03013.64
5.3.00.0070.03013.59
5.2.170.0030.03011.00
5.2.160.0000.03311.00
5.2.150.0100.02710.97
5.2.140.0070.02711.19
5.2.130.0000.03010.93
5.2.120.0000.03011.09
5.2.110.0000.03010.93
5.2.100.0000.03011.05
5.2.90.0030.02310.96
5.2.80.0030.03311.06
5.2.70.0030.03711.05
5.2.60.0000.03010.91
5.2.50.0000.02710.86
5.2.40.0000.03311.04
5.2.30.0000.02710.99
5.2.20.0000.03011.03
5.2.10.0000.03010.88
5.2.00.0030.03310.77
5.1.60.0030.04310.48
5.1.50.0100.04710.48
5.1.40.0100.03710.48
5.1.30.0000.05310.48
5.1.20.0100.01310.48
5.1.10.0000.04310.48
5.1.00.0000.03010.48
5.0.50.0000.02310.48
5.0.40.0000.02010.48
5.0.30.0030.03010.48
5.0.20.0000.01710.48
5.0.10.0000.02010.48
5.0.00.0000.02710.48
4.4.90.0000.01710.48
4.4.80.0070.01010.48
4.4.70.0000.01310.48
4.4.60.0070.01310.48
4.4.50.0000.01310.48
4.4.40.0000.02710.48
4.4.30.0000.03010.48
4.4.20.0030.01710.48
4.4.10.0030.01710.48
4.4.00.0000.02010.48
4.3.110.0000.01310.48
4.3.100.0000.01710.48
4.3.90.0000.01710.48
4.3.80.0000.02710.48
4.3.70.0000.01710.48
4.3.60.0000.01710.48
4.3.50.0000.02010.48
4.3.40.0030.01710.48
4.3.30.0000.02710.48
4.3.20.0000.01710.48
4.3.10.0030.01710.48
4.3.00.0000.01310.48

preferences:
37.06 ms | 401 KiB | 5 Q