3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = ' '; var_dump(empty($foo));

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)
8.3.60.0100.01018.43
8.3.50.0130.00621.86
8.3.40.0040.01118.44
8.3.30.0070.00718.79
8.3.20.0070.00020.16
8.3.10.0000.00823.52
8.3.00.0000.00818.92
8.2.180.0120.00916.36
8.2.170.0160.00422.96
8.2.160.0000.01421.99
8.2.150.0000.00824.18
8.2.140.0060.00324.66
8.2.130.0070.00026.16
8.2.120.0080.00021.05
8.2.110.0060.00320.53
8.2.100.0110.00017.78
8.2.90.0000.00817.75
8.2.80.0000.00818.83
8.2.70.0030.00617.80
8.2.60.0030.00817.91
8.2.50.0030.00618.10
8.2.40.0000.00821.06
8.2.30.0030.00619.29
8.2.20.0030.00617.51
8.2.10.0040.00417.91
8.2.00.0070.00017.65
8.1.280.0140.00325.92
8.1.270.0090.00018.88
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00321.88
8.1.230.0030.00920.97
8.1.220.0000.00917.74
8.1.210.0080.00018.77
8.1.200.0030.00617.22
8.1.190.0080.00017.40
8.1.180.0040.00418.10
8.1.170.0060.00318.65
8.1.160.0000.00718.80
8.1.150.0040.00418.72
8.1.140.0060.00319.18
8.1.130.0030.00317.81
8.1.120.0000.00717.43
8.1.110.0060.00317.31
8.1.100.0030.00417.26
8.1.90.0000.00717.29
8.1.80.0080.00017.39
8.1.70.0000.00717.39
8.1.60.0030.00517.38
8.1.50.0090.00017.45
8.1.40.0000.00917.40
8.1.30.0060.00317.48
8.1.20.0050.00317.59
8.1.10.0040.00417.35
8.1.00.0040.00417.41
8.0.300.0050.00319.92
8.0.290.0040.00416.75
8.0.280.0040.00418.27
8.0.270.0030.00317.17
8.0.260.0030.00317.19
8.0.250.0070.00016.81
8.0.240.0040.00416.88
8.0.230.0030.00316.77
8.0.220.0070.00016.72
8.0.210.0000.00716.72
8.0.200.0030.00616.94
8.0.190.0040.00416.90
8.0.180.0080.00016.90
8.0.170.0000.00716.79
8.0.160.0000.00716.75
8.0.150.0030.00316.74
8.0.140.0000.00716.74
8.0.130.0030.00313.18
8.0.120.0040.00416.74
8.0.110.0040.00416.74
8.0.100.0000.00716.67
8.0.90.0000.00816.68
8.0.80.0100.00716.87
8.0.70.0040.00416.69
8.0.60.0000.00716.66
8.0.50.0030.00516.90
8.0.30.0140.00916.78
8.0.20.0150.01317.40
8.0.10.0030.00316.79
8.0.00.0080.01516.54
7.4.330.0050.00015.03
7.4.320.0000.00616.41
7.4.300.0000.00616.53
7.4.290.0030.00316.51
7.4.280.0080.00016.36
7.4.270.0030.00316.45
7.4.260.0070.00016.40
7.4.250.0040.00416.34
7.4.240.0000.00716.48
7.4.230.0000.00716.61
7.4.220.0130.00616.48
7.4.210.0040.01816.46
7.4.200.0030.00316.50
7.4.160.0080.00816.45
7.4.150.0080.01617.40
7.4.140.0050.01217.86
7.4.130.0100.00716.41
7.4.120.0120.00516.59
7.4.110.0030.01616.46
7.4.100.0100.00716.28
7.4.90.0070.01416.40
7.4.80.0060.01619.39
7.4.70.0120.01216.42
7.4.60.0060.01016.38
7.4.50.0060.00316.35
7.4.40.0070.01016.40
7.4.30.0140.01016.28
7.4.00.0030.01215.00
7.3.330.0000.00513.05
7.3.320.0020.00213.05
7.3.310.0070.00016.07
7.3.300.0030.00316.17
7.3.290.0070.00716.13
7.3.280.0060.00916.16
7.3.270.0100.01317.40
7.3.260.0080.00916.37
7.3.250.0050.01416.32
7.3.240.0200.00316.45
7.3.230.0000.01516.39
7.3.210.0100.00716.32
7.3.200.0090.00619.39
7.3.190.0040.01216.23
7.3.180.0100.00716.40
7.3.170.0150.00316.44
7.3.160.0060.00916.17
7.3.120.0130.00614.49
7.3.110.0070.01014.70
7.3.100.0070.01014.74
7.3.90.0090.01014.67
7.3.80.0110.00714.66
7.3.70.0040.00414.72
7.3.60.0000.01314.56
7.3.50.0000.01414.60
7.3.40.0090.00614.68
7.3.30.0060.00614.79
7.3.20.0080.00616.48
7.3.10.0030.00616.17
7.3.00.0130.00016.48
7.2.330.0070.01016.33
7.2.320.0150.00916.50
7.2.310.0130.00316.33
7.2.300.0060.01016.55
7.2.290.0150.00316.34
7.2.250.0090.00915.04
7.2.240.0100.01014.81
7.2.230.0040.00814.92
7.2.220.0050.00514.84
7.2.210.0070.00714.72
7.2.200.0040.01114.60
7.2.190.0070.01014.79
7.2.180.0060.00615.02
7.2.170.0110.00714.96
7.2.00.0060.00619.14
7.1.330.0070.00715.51
7.1.320.0100.00315.60
7.1.310.0030.01015.63
7.1.300.0060.00815.49
7.1.290.0040.00815.32
7.1.280.0060.00915.34
7.1.270.0080.00415.53
7.1.260.0090.00615.66
7.1.100.0040.01117.88
7.1.70.0080.00417.07
7.1.60.0090.01519.46
7.1.50.0220.00634.40
7.1.00.0070.07322.48
7.0.200.0030.00316.63
7.0.140.0000.04021.99
7.0.60.0130.05719.77
7.0.50.0070.04017.82
7.0.40.0030.05020.21
7.0.30.0230.05020.13
7.0.20.0230.05020.01
7.0.10.0070.05020.30
7.0.00.0030.04020.08
5.6.280.0130.06321.11
5.6.210.0070.04020.70
5.6.200.0070.04318.22
5.6.190.0030.04320.43
5.6.180.0370.07320.41
5.6.170.0400.04720.54
5.6.160.0130.04320.40
5.6.150.0000.05318.20
5.6.140.0100.07718.18
5.6.130.0000.04718.22
5.6.120.0070.07020.98
5.6.110.0170.07720.98
5.6.100.0130.07720.97
5.6.90.0130.07320.99
5.6.80.0000.04320.51
5.5.350.4170.03320.41
5.5.340.0070.08017.88
5.5.330.0100.08320.43
5.5.320.0170.06020.17
5.5.310.0230.06020.34
5.5.300.0030.07317.91
5.5.290.0170.05717.91
5.5.280.0030.06720.87
5.5.270.0070.08320.87
5.5.260.0030.09020.85
5.5.250.0100.05020.57
5.5.240.0130.07020.25
5.4.450.0770.06019.59
5.4.440.0270.04319.37
5.4.430.0100.05719.32
5.4.420.0130.05319.16
5.4.410.0100.06019.20
5.4.400.0170.06019.36
5.4.390.0270.05018.57
5.4.380.0330.04718.72
5.4.370.0130.06318.59
5.4.360.0370.06318.56
5.4.350.0370.06718.64
5.4.340.0230.06318.58
5.4.320.0300.04718.66
5.4.310.0270.04718.54
5.4.300.0270.05018.71
5.4.290.0130.06318.73
5.4.280.0330.04318.69
5.4.270.0230.05018.77
5.4.260.0300.04318.57
5.4.250.0130.06318.58
5.4.240.0330.04718.70
5.4.230.0270.04718.76
5.4.220.0200.06018.66
5.4.210.0100.06718.72
5.4.200.0300.04316.63
5.4.190.0200.05318.48
5.4.180.0270.05318.47
5.4.170.0200.05718.57
5.4.160.0330.04718.44
5.4.150.0270.06718.46
5.4.140.0200.06016.13
5.4.130.0170.05316.19
5.4.120.0300.04316.28
5.4.110.0200.05016.25
5.4.100.0200.05716.05
5.4.90.0130.06016.30
5.4.80.0170.06016.28
5.4.70.0200.05316.32
5.4.60.0270.04716.28
5.4.50.0230.05016.27
5.4.40.0230.05016.28
5.4.30.0230.04716.13
5.4.20.0170.05716.13
5.4.10.0200.05316.28
5.4.00.0230.05315.68
5.3.290.0230.05714.76
5.3.280.0230.06014.54
5.3.270.0370.05014.53
5.3.260.0300.05014.50
5.3.250.0430.06314.59
5.3.240.0230.05014.51
5.3.230.0270.05014.57
5.3.220.0230.06714.61
5.3.210.0130.06314.49
5.3.200.0230.07314.66
5.3.190.0230.05714.56
5.3.180.0470.05714.54
5.3.170.0300.05014.48
5.3.160.0270.05314.54
5.3.150.0200.05314.66
5.3.140.0230.05314.54
5.3.130.0300.04014.64
5.3.120.0230.05014.45
5.3.110.0270.05314.64
5.3.100.0100.06014.11
5.3.90.0230.05013.95
5.3.80.0230.05714.01
5.3.70.0170.05713.93
5.3.60.0230.05013.95
5.3.50.0170.06014.04
5.3.40.0200.05313.87
5.3.30.0230.04313.89
5.3.20.0170.05713.78
5.3.10.0370.05713.59
5.3.00.0200.05713.53
5.2.170.0230.04711.19
5.2.160.0170.04311.19
5.2.150.0070.05711.14
5.2.140.0330.04711.19
5.2.130.0330.04711.05
5.2.120.0300.04711.00
5.2.110.0200.04011.13
5.2.100.0230.04011.14
5.2.90.0170.04711.05
5.2.80.0200.03711.05
5.2.70.0270.05311.08
5.2.60.0200.04311.10
5.2.50.0230.03711.06
5.2.40.0200.03311.03
5.2.30.0070.04711.11
5.2.20.0130.04310.91
5.2.10.0230.03310.90
5.2.00.0130.04010.84
5.1.60.0170.03010.04
5.1.50.0130.04010.02
5.1.40.0100.03710.04
5.1.30.0200.03010.43
5.1.20.0170.04010.38
5.1.10.0100.04010.08
5.1.00.0170.03310.08
5.0.50.0170.0238.57
5.0.40.0130.0278.43
5.0.30.0000.0508.19
5.0.20.0100.0238.28
5.0.10.0100.0278.29
5.0.00.0070.0438.33
4.4.90.0130.0135.88
4.4.80.0070.0235.86
4.4.70.0100.0205.88
4.4.60.0070.0205.86
4.4.50.0100.0205.97
4.4.40.0070.0375.85
4.4.30.0100.0205.90
4.4.20.0100.0205.96
4.4.10.0100.0205.93
4.4.00.0100.0375.95
4.3.110.0030.0305.84
4.3.100.0130.0175.78
4.3.90.0070.0235.78
4.3.80.0130.0405.91
4.3.70.0070.0205.85
4.3.60.0070.0305.87
4.3.50.0030.0275.86
4.3.40.0170.0375.73
4.3.30.0030.0274.55
4.3.20.0070.0204.54
4.3.10.0000.0274.61
4.3.00.0130.0206.79

preferences:
49.14 ms | 401 KiB | 5 Q