3v4l.org

run code in 300+ PHP versions simultaneously
<?php 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)
8.3.70.0150.00616.63
8.3.60.0140.00318.31
8.3.50.0050.01422.05
8.3.40.0140.00518.58
8.3.30.0110.00418.54
8.3.20.0040.00418.55
8.3.10.0080.00020.91
8.3.00.0040.00423.47
8.2.180.0070.00716.36
8.2.170.0070.00722.96
8.2.160.0130.00320.52
8.2.150.0050.00324.18
8.2.140.0070.00724.66
8.2.130.0030.00526.16
8.2.120.0040.00419.66
8.2.110.0090.00020.47
8.2.100.0080.00417.78
8.2.90.0000.00719.27
8.2.80.0050.00317.97
8.2.70.0000.00817.50
8.2.60.0000.00817.91
8.2.50.0060.00318.07
8.2.40.0040.00418.03
8.2.30.0020.00521.36
8.2.20.0040.00417.70
8.2.10.0000.00717.66
8.2.00.0000.01117.60
8.1.280.0100.01025.92
8.1.270.0000.00723.99
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00723.79
8.1.230.0040.00720.97
8.1.220.0080.00018.77
8.1.210.0040.00418.90
8.1.200.0030.00616.98
8.1.190.0040.00417.39
8.1.180.0040.00418.10
8.1.170.0040.00418.65
8.1.160.0000.00818.75
8.1.150.0040.00418.55
8.1.140.0040.00417.33
8.1.130.0030.00317.74
8.1.120.0030.00617.40
8.1.110.0030.00617.28
8.1.100.0000.00717.24
8.1.90.0070.00017.27
8.1.80.0000.00817.38
8.1.70.0000.00817.32
8.1.60.0050.00217.57
8.1.50.0000.00717.43
8.1.40.0000.00817.32
8.1.30.0000.00817.58
8.1.20.0050.00317.48
8.1.10.0000.00717.46
8.1.00.0000.00717.35
8.0.300.0000.00819.54
8.0.290.0000.00716.79
8.0.280.0000.00718.28
8.0.270.0030.00317.22
8.0.260.0030.00316.75
8.0.250.0000.00716.92
8.0.240.0040.00416.97
8.0.230.0000.00716.86
8.0.220.0070.00016.76
8.0.210.0030.00316.91
8.0.200.0030.00316.90
8.0.190.0080.00016.83
8.0.180.0080.00016.91
8.0.170.0000.00816.91
8.0.160.0000.00716.86
8.0.150.0000.00716.89
8.0.140.0070.00016.79
8.0.130.0050.00013.29
8.0.120.0000.00816.85
8.0.110.0070.00016.92
8.0.100.0030.00516.79
8.0.90.0080.00016.94
8.0.80.0100.00716.84
8.0.70.0040.00416.74
8.0.60.0080.00016.71
8.0.50.0000.00716.64
8.0.30.0160.00316.92
8.0.20.0070.01117.40
8.0.10.0070.00016.73
8.0.00.0080.01216.55
7.4.330.0020.00214.53
7.4.320.0040.00416.46
7.4.300.0060.00016.36
7.4.290.0040.00416.46
7.4.280.0000.00716.34
7.4.270.0030.00316.21
7.4.260.0050.00013.11
7.4.250.0030.00616.46
7.4.240.0030.00316.36
7.4.230.0030.00316.27
7.4.220.0040.01816.45
7.4.210.0070.01016.47
7.4.200.0030.00316.11
7.4.190.0030.00316.63
7.4.160.0070.01016.35
7.4.150.0090.00917.40
7.4.140.0160.00617.86
7.4.130.0130.01116.37
7.4.120.0100.00916.24
7.4.110.0070.01516.35
7.4.100.0180.00616.20
7.4.90.0040.01416.27
7.4.80.0210.00519.37
7.4.70.0030.01316.45
7.4.60.0040.01116.40
7.4.50.0060.00316.47
7.4.40.0000.01622.52
7.4.30.0090.01216.49
7.4.00.0130.00315.09
7.3.330.0000.00513.23
7.3.320.0000.00613.13
7.3.310.0030.00316.29
7.3.300.0050.00316.11
7.3.290.0040.01416.27
7.3.280.0080.00716.28
7.3.270.0150.00917.40
7.3.260.0070.01218.24
7.3.250.0070.01116.47
7.3.240.0120.00916.49
7.3.230.0070.01616.39
7.3.210.0150.00316.59
7.3.200.0120.00919.39
7.3.190.0130.00716.34
7.3.180.0080.00816.20
7.3.170.0090.00616.52
7.3.160.0040.01116.27
7.3.120.0090.00914.82
7.3.110.0090.01014.56
7.3.100.0070.00714.92
7.3.90.0050.00914.73
7.3.80.0050.00714.77
7.3.70.0030.00814.91
7.3.60.0080.00614.63
7.3.50.0050.00714.82
7.3.40.0060.00814.74
7.3.30.0020.01114.68
7.3.20.0000.01216.62
7.3.10.0020.01116.42
7.3.00.0060.00916.54
7.2.330.0170.00016.60
7.2.320.0070.01016.56
7.2.310.0140.00716.66
7.2.300.0040.01416.39
7.2.290.0060.01016.68
7.2.240.0090.00714.99
7.2.230.0080.00714.94
7.2.220.0060.00614.97
7.2.210.0060.00714.94
7.2.200.0050.00814.89
7.2.190.0120.00315.01
7.2.180.0040.01014.79
7.2.170.0050.00814.82
7.2.160.0030.00914.92
7.2.150.0090.00716.77
7.2.140.0100.00216.86
7.2.130.0060.00916.75
7.2.120.0030.01016.77
7.2.110.0030.00916.85
7.2.100.0080.00616.58
7.2.90.0050.00816.62
7.2.80.0040.01216.82
7.2.70.0060.01016.94
7.2.60.0070.00416.91
7.2.50.0080.00716.81
7.2.40.0100.00416.85
7.2.30.0050.00816.93
7.2.20.0040.01016.89
7.2.10.0050.01016.76
7.2.00.0060.00517.57
7.1.330.0050.01215.60
7.1.320.0070.00715.57
7.1.310.0050.00815.65
7.1.300.0040.01115.58
7.1.290.0100.00415.62
7.1.280.0020.01115.61
7.1.270.0060.00615.83
7.1.260.0040.01015.83
7.1.250.0080.00415.46
7.1.100.0080.00318.25
7.1.70.0030.00317.15
7.1.60.0100.01319.40
7.1.50.0070.01516.79
7.1.00.0000.07722.36
7.0.200.0070.00316.54
7.0.140.0030.07021.97
7.0.70.0070.08019.93
7.0.60.0070.07319.94
7.0.50.0070.08320.28
7.0.40.0170.07720.00
7.0.30.0030.04320.13
7.0.20.0070.08020.10
7.0.10.0070.07319.99
7.0.00.0100.08320.13
5.6.280.0100.06721.01
5.6.220.0170.07020.57
5.6.210.0170.07020.45
5.6.200.0000.05321.17
5.6.190.0030.08721.02
5.6.180.0030.08321.07
5.6.170.0170.07721.07
5.6.160.0100.04320.96
5.6.150.0030.08021.09
5.6.140.0030.09021.00
5.6.130.0070.09021.04
5.6.120.0070.08321.07
5.6.110.0130.08721.06
5.6.100.0070.09020.93
5.6.90.0030.08320.99
5.6.80.0070.08020.33
5.6.70.0070.04020.43
5.6.60.0030.08720.41
5.6.50.0070.05720.45
5.6.40.0130.08320.43
5.6.30.0070.06020.37
5.6.20.0030.07020.45
5.6.10.0030.07720.45
5.6.00.0100.08320.29
5.5.360.0100.08320.39
5.5.350.0030.05320.41
5.5.340.0070.07720.75
5.5.330.0130.07320.64
5.5.320.0000.06020.90
5.5.310.0100.06020.88
5.5.300.0130.07020.86
5.5.290.0170.07720.78
5.5.280.0070.04720.63
5.5.270.0070.06720.75
5.5.260.0070.08320.85
5.5.250.0030.09020.57
5.5.240.0200.07320.29
5.5.230.0030.08720.30
5.5.220.0100.07320.28
5.5.210.0200.07320.01
5.5.200.0200.07020.07
5.5.190.0030.09020.24
5.5.180.0070.08020.21
5.5.160.0170.06720.07
5.5.150.0130.06720.16
5.5.140.0100.07320.17
5.5.130.0030.04720.11
5.5.120.0130.07320.21
5.5.110.0100.07720.21
5.5.100.0030.05720.04
5.5.90.0100.07720.06
5.5.80.0130.04320.09
5.5.70.0100.06319.99
5.5.60.0030.08020.04
5.5.50.0100.07319.99
5.5.40.0070.07719.98
5.5.30.0070.05720.09
5.5.20.0100.07719.94
5.5.10.0070.08020.08
5.5.00.0070.07319.95
5.4.450.0000.05719.46
5.4.440.0070.06019.54
5.4.430.0070.07319.44
5.4.420.0070.05719.36
5.4.410.0030.07019.10
5.4.400.0130.07018.95
5.4.390.0070.04719.14
5.4.380.0130.06319.04
5.4.370.0070.08019.18
5.4.360.0100.07719.18
5.4.350.0100.07718.90
5.4.340.0070.08319.21
5.4.320.0000.08719.05
5.4.310.0070.05019.04
5.4.300.0030.05018.84
5.4.290.0100.04319.12
5.4.280.0070.07319.18
5.4.270.0070.07319.13
5.4.260.0070.07018.90
5.4.250.0070.04719.13
5.4.240.0070.04719.02
5.4.230.0030.06719.15
5.4.220.0000.08719.04
5.4.210.0030.04018.94
5.4.200.0030.08019.04
5.4.190.0000.07319.02
5.4.180.0000.05319.04
5.4.170.0100.06319.15
5.4.160.0030.05019.12
5.4.150.0030.06719.21
5.4.140.0070.04316.46
5.4.130.0000.05016.18
5.4.120.0100.07316.43
5.4.110.0030.06016.39
5.4.100.0070.05016.50
5.4.90.0100.04016.39
5.4.80.0100.04716.46
5.4.70.0100.06316.33
5.4.60.0100.05016.41
5.4.50.0070.07316.48
5.4.40.0030.07716.42
5.4.30.0070.07016.30
5.4.20.0100.06716.50
5.4.10.0030.05316.44
5.4.00.0000.08315.59
5.3.290.0030.07714.66
5.3.280.0100.07314.46
5.3.270.0100.07714.57
5.3.260.0000.04314.46
5.3.250.0030.04714.44
5.3.240.0070.05314.55
5.3.230.0100.05714.58
5.3.220.0000.04314.56
5.3.210.0100.06714.52
5.3.200.0070.08014.53
5.3.190.0030.05314.43
5.3.180.0000.06314.40
5.3.170.0030.08014.50
5.3.160.0100.07014.38
5.3.150.0070.05714.51
5.3.140.0100.07314.52
5.3.130.0100.07314.41
5.3.120.0030.07714.41
5.3.110.0070.06714.40
5.3.100.0100.07714.02
5.3.90.0070.07714.00
5.3.80.0100.06713.96
5.3.70.0070.07714.00
5.3.60.0170.04013.86
5.3.50.0030.08013.93
5.3.40.0070.07013.91
5.3.30.0100.06713.87
5.3.20.0100.07013.67
5.3.10.0070.06313.64
5.3.00.0070.07013.62
5.2.170.0000.06311.38
5.2.160.0070.05311.38
5.2.150.0170.05311.38
5.2.140.0070.06311.38
5.2.130.0070.06011.38
5.2.120.0000.06711.38
5.2.110.0030.05311.38
5.2.100.0030.06011.38
5.2.90.0130.05011.38
5.2.80.0000.06311.38
5.2.70.0000.06711.38
5.2.60.0030.06311.38
5.2.50.0030.06011.38
5.2.40.0030.06011.38
5.2.30.0030.05011.38
5.2.20.0130.05311.38
5.2.10.0030.06011.38
5.2.00.0070.05711.38
5.1.60.0000.04011.38
5.1.50.0070.05711.38
5.1.40.0100.04711.38
5.1.30.0100.05011.38
5.1.20.0070.05711.38
5.1.10.0100.04711.38
5.1.00.0030.05711.38
5.0.50.0000.04311.38
5.0.40.0000.03711.38
5.0.30.0030.05711.38
5.0.20.0030.04311.38
5.0.10.0000.04011.38
5.0.00.0000.06711.38
4.4.90.0030.02011.38
4.4.80.0030.02311.38
4.4.70.0030.03311.38
4.4.60.0000.03711.38
4.4.50.0000.03311.38
4.4.40.0000.06011.38
4.4.30.0030.03011.38
4.4.20.0030.03711.38
4.4.10.0100.03011.38
4.4.00.0030.05311.38
4.3.110.0000.03711.38
4.3.100.0000.03711.38
4.3.90.0030.03711.38
4.3.80.0100.04711.38
4.3.70.0030.03711.38
4.3.60.0030.03311.38
4.3.50.0030.03011.38
4.3.40.0000.05311.38
4.3.30.0000.03711.38
4.3.20.0030.03311.38
4.3.10.0030.03311.38
4.3.00.0000.03711.38

preferences:
41.13 ms | 401 KiB | 5 Q