3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = (int)0; if (empty($var)) { echo "empty\n\n";}else{ echo "not empty\n\n";} var_dump($var);

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)
8.3.40.0110.01118.51
8.3.30.0120.00318.83
8.3.20.0040.00420.24
8.3.10.0000.00921.98
8.3.00.0000.00822.34
8.2.170.0040.01122.96
8.2.160.0070.00719.07
8.2.150.0050.00324.18
8.2.140.0060.00324.66
8.2.130.0140.00326.16
8.2.120.0040.00419.25
8.2.110.0100.00020.47
8.2.100.0080.00417.78
8.2.90.0040.00419.22
8.2.80.0030.00517.97
8.2.70.0050.00317.63
8.2.60.0030.00617.93
8.2.50.0030.00618.07
8.2.40.0050.00218.22
8.2.30.0090.00017.85
8.2.20.0020.00517.75
8.2.10.0080.00019.34
8.2.00.0040.00417.65
8.1.270.0000.00821.91
8.1.260.0000.00826.35
8.1.250.0070.00728.09
8.1.240.0060.00323.97
8.1.230.0070.00417.42
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0110.00017.35
8.1.190.0060.00317.38
8.1.180.0040.00418.10
8.1.170.0070.00018.46
8.1.160.0030.00621.87
8.1.150.0040.00418.62
8.1.140.0040.00417.39
8.1.130.0040.00417.76
8.1.120.0070.00017.42
8.1.110.0050.00317.35
8.1.100.0000.00717.25
8.1.90.0070.00017.41
8.1.80.0050.00317.31
8.1.70.0030.00317.26
8.1.60.0040.00417.44
8.1.50.0030.00617.39
8.1.40.0040.00417.34
8.1.30.0040.00417.40
8.1.20.0060.00317.54
8.1.10.0050.00217.41
8.1.00.0070.00017.44
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0030.00518.37
8.0.270.0040.00417.29
8.0.260.0040.00416.88
8.0.250.0030.00516.98
8.0.240.0000.00816.96
8.0.230.0030.00316.99
8.0.220.0070.00016.89
8.0.210.0050.00316.90
8.0.200.0030.00316.85
8.0.190.0070.00016.85
8.0.180.0000.00716.94
8.0.170.0050.00216.89
8.0.160.0040.00416.96
8.0.150.0030.00316.76
8.0.140.0000.00716.75
8.0.130.0000.00513.31
8.0.120.0040.00416.84
8.0.110.0000.00816.90
8.0.100.0040.00416.71
8.0.90.0000.00816.74
8.0.80.0060.00916.88
8.0.70.0040.00416.77
8.0.60.0030.00516.78
8.0.50.0040.00416.71
8.0.30.0090.00916.89
8.0.20.0110.01117.40
8.0.10.0060.00316.82
8.0.00.0050.01416.65
7.4.330.0000.00715.00
7.4.320.0030.00316.48
7.4.300.0060.00016.51
7.4.290.0030.00316.46
7.4.280.0050.00316.45
7.4.270.0000.00716.48
7.4.260.0030.00716.44
7.4.250.0040.00416.49
7.4.240.0020.00616.47
7.4.230.0070.00016.55
7.4.220.0030.02316.50
7.4.210.0080.00616.52
7.4.200.0070.00016.56
7.4.190.0040.00416.71
7.4.160.0060.01016.50
7.4.150.0090.00917.40
7.4.140.0080.01217.86
7.4.130.0140.00516.54
7.4.120.0060.01216.49
7.4.110.0150.00316.49
7.4.100.0030.01416.32
7.4.90.0000.01716.52
7.4.80.0150.00619.39
7.4.70.0040.01416.54
7.4.60.0090.00916.16
7.4.50.0060.00316.36
7.4.40.0070.01022.77
7.4.30.0130.01016.48
7.4.00.0060.01214.91
7.3.330.0000.00513.18
7.3.320.0030.00312.98
7.3.310.0040.00416.02
7.3.300.0070.00016.18
7.3.290.0080.00616.15
7.3.280.0080.00716.22
7.3.270.0110.00617.40
7.3.260.0130.01016.23
7.3.250.0100.00916.36
7.3.240.0090.00916.33
7.3.230.0030.01316.39
7.3.210.0090.00616.30
7.3.200.0100.01319.39
7.3.190.0040.01716.48
7.3.180.0130.00316.16
7.3.170.0140.00716.27
7.3.160.0100.01016.13
7.3.120.0110.00714.73
7.3.110.0080.00814.70
7.3.100.0050.01014.79
7.3.90.0030.00814.66
7.3.80.0030.00914.64
7.3.70.0070.00414.65
7.3.60.0030.00614.76
7.3.50.0080.00414.69
7.3.40.0040.00814.45
7.3.30.0090.00614.70
7.3.20.0060.00916.41
7.3.10.0070.00516.41
7.3.00.0070.00716.35
7.2.330.0100.01316.60
7.2.320.0130.01016.45
7.2.310.0170.00016.56
7.2.300.0080.00816.56
7.2.290.0200.00316.54
7.2.250.0030.01415.00
7.2.240.0080.00914.91
7.2.230.0030.01314.95
7.2.220.0050.00914.82
7.2.210.0060.00814.88
7.2.200.0060.01014.90
7.2.190.0090.00514.88
7.2.180.0030.00814.92
7.2.170.0060.00914.67
7.2.60.0000.01516.84
7.2.00.0030.00919.14
7.1.330.0030.01015.85
7.1.320.0030.00915.76
7.1.310.0050.00715.70
7.1.300.0040.00915.68
7.1.290.0050.00715.44
7.1.280.0040.00715.43
7.1.270.0030.00815.67
7.1.260.0070.00815.61
7.1.200.0080.00415.77
7.1.100.0060.00618.02
7.1.70.0000.00717.05
7.1.60.0060.01919.82
7.1.50.0030.02016.98
7.1.00.0030.07722.48
7.0.200.0040.00716.78
7.0.140.0070.07021.92
7.0.60.0000.07319.92
7.0.50.0070.03717.91
7.0.40.0030.07720.03
7.0.30.0270.05320.09
7.0.20.0270.05020.21
7.0.10.0270.06319.99
7.0.00.0130.05720.13
5.6.210.0030.05020.46
5.6.200.0070.08018.15
5.6.190.0130.08020.67
5.6.180.3330.04020.49
5.6.170.0330.07020.41
5.6.160.0100.05720.70
5.6.150.0030.04318.11
5.6.140.0100.03718.18
5.6.130.0100.07718.21
5.6.120.0100.08021.19
5.6.110.0070.06020.99
5.6.100.0030.04320.88
5.6.90.0030.08721.03
5.6.80.0030.08320.39
5.6.70.0300.07720.36
5.5.350.0100.07320.40
5.5.340.0000.06017.97
5.5.330.0130.08020.43
5.5.320.0070.05720.34
5.5.310.0130.04020.19
5.5.300.0030.03717.93
5.5.290.0130.05317.98
5.5.280.0070.06320.76
5.5.270.0130.07720.76
5.5.260.0070.05720.86
5.5.250.0070.08320.75
5.5.240.0200.06720.18
5.4.450.0800.05719.15
5.4.440.0800.04719.53
5.4.430.0170.05019.68
5.4.420.0030.06019.15
5.4.410.0100.05319.22
5.4.400.0070.05318.51
5.4.390.0100.05018.62
5.4.380.0300.05318.74
5.4.370.0230.04318.52
5.4.360.0130.05718.78
5.4.350.0170.05318.61
5.4.340.0300.04018.64
5.4.320.0070.03512.45
5.4.310.0080.04312.45
5.4.300.0030.03912.45
5.4.290.0070.03812.45
5.4.280.0050.05012.35
5.4.270.0070.07318.87
5.4.260.0200.05018.71
5.4.250.0100.06719.04
5.4.240.0030.07318.96
5.4.230.0100.06018.83
5.4.220.0170.06018.80
5.4.210.0070.06318.83
5.4.200.0100.05318.94
5.4.190.0100.06318.70
5.4.180.0170.06718.79
5.4.170.0000.06319.11
5.4.160.0170.06318.91
5.4.150.0170.06318.91
5.4.140.0170.05716.57
5.4.130.0230.06316.57
5.4.120.0200.06016.57
5.4.110.0170.05316.31
5.4.100.0070.05716.35
5.4.90.0030.07716.48
5.4.80.0130.06316.51
5.4.70.0130.07016.46
5.4.60.0130.07316.35
5.4.50.0130.05316.45
5.4.40.0030.06716.57
5.4.30.0100.06716.45
5.4.20.0070.06316.38
5.4.10.0130.05316.38
5.4.00.0230.06315.72
5.3.290.0080.03712.80
5.3.280.0100.07014.59
5.3.270.0130.07314.59
5.3.260.0130.07314.69
5.3.250.0230.06014.70
5.3.240.0170.06714.75
5.3.230.0170.05014.52
5.3.220.0200.07314.73
5.3.210.0130.06314.55
5.3.200.0200.06014.55
5.3.190.0100.07014.55
5.3.180.0030.06714.75
5.3.170.0070.07014.49
5.3.160.0130.06714.54
5.3.150.0130.05714.64
5.3.140.0200.06014.70
5.3.130.0230.06014.70
5.3.120.0170.06714.68
5.3.110.0230.06314.58
5.3.100.0100.05714.17
5.3.90.0070.06014.00
5.3.80.0170.05314.00
5.3.70.0130.06014.00
5.3.60.0030.07314.07
5.3.50.0100.06313.93
5.3.40.0070.07014.03
5.3.30.0130.07313.89
5.3.20.0070.06313.86
5.3.10.0170.04313.69
5.3.00.0070.05313.73
5.2.170.0030.05311.07
5.2.160.0070.05711.33
5.2.150.0000.06011.33
5.2.140.0070.04311.24
5.2.130.0030.04311.25
5.2.120.0130.04311.23
5.2.110.0100.03711.23
5.2.100.0070.05711.02
5.2.90.0070.06311.32
5.2.80.0100.04310.98
5.2.70.0030.05011.30
5.2.60.0130.04711.02
5.2.50.0070.06311.12
5.2.40.0070.05310.92
5.2.30.0100.05710.95
5.2.20.0070.05010.88
5.2.10.0000.04711.01
5.2.00.0030.05010.98
5.1.60.0070.04010.07
5.1.50.0030.0409.86
5.1.40.0100.03010.13
5.1.30.0030.04310.53
5.1.20.0000.04710.22
5.1.10.0100.03710.09
5.1.00.0100.03710.09
5.0.50.0000.0408.66
5.0.40.0130.0338.64
5.0.30.0100.0378.30
5.0.20.0030.0338.40
5.0.10.0070.0278.14
5.0.00.0000.0508.36
4.4.90.0100.0236.18
4.4.80.0000.0276.18
4.4.70.0030.0206.18
4.4.60.0000.0276.18
4.4.50.0030.0236.18
4.4.40.0000.0476.18
4.4.30.0070.0206.18
4.4.20.0100.0176.18
4.4.10.0070.0206.18
4.4.00.0100.0306.18
4.3.110.0030.0376.18
4.3.100.0030.0236.18
4.3.90.0100.0236.18
4.3.80.0100.0376.18
4.3.70.0070.0206.18
4.3.60.0030.0276.18
4.3.50.0030.0336.18
4.3.40.0070.0336.18
4.3.30.0030.0276.18
4.3.20.0030.0236.18
4.3.10.0070.0276.18
4.3.00.0200.0237.38

preferences:
60.41 ms | 400 KiB | 5 Q