3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = []; $b = []; $c = empty($a) + empty($b); var_dump($c);

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)
8.3.60.0100.00518.43
8.3.50.0070.01018.30
8.3.40.0070.01418.72
8.3.30.0000.01518.54
8.3.20.0040.00420.46
8.3.10.0050.00321.80
8.3.00.0050.00320.80
8.2.180.0070.00716.32
8.2.170.0140.00022.96
8.2.160.0110.00319.04
8.2.150.0070.00024.18
8.2.140.0070.00024.66
8.2.130.0070.00022.30
8.2.120.0080.00026.35
8.2.110.0060.00320.43
8.2.100.0080.00417.91
8.2.90.0040.00417.84
8.2.80.0080.00019.23
8.2.70.0050.00317.91
8.2.60.0030.00519.53
8.2.50.0060.00318.10
8.2.40.0000.00720.47
8.2.30.0000.00720.54
8.2.20.0060.00317.74
8.2.10.0090.00018.15
8.2.00.0050.00218.15
8.1.280.0130.00725.92
8.1.270.0050.00323.79
8.1.260.0070.00028.09
8.1.250.0050.00328.09
8.1.240.0000.00922.33
8.1.230.0080.00322.73
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0050.00317.23
8.1.190.0050.00317.11
8.1.180.0030.00518.10
8.1.170.0060.00318.55
8.1.160.0040.00422.13
8.1.150.0040.00418.81
8.1.140.0070.00019.46
8.1.130.0060.00317.63
8.1.120.0040.00417.37
8.1.110.0030.00617.41
8.1.100.0070.00017.31
8.1.90.0080.00017.42
8.1.80.0040.00417.41
8.1.70.0000.00717.25
8.1.60.0000.01017.43
8.1.50.0000.00917.42
8.1.40.0040.00417.35
8.1.30.0040.00417.60
8.1.20.0050.00217.48
8.1.10.0000.00717.30
8.1.00.0000.00817.30
8.0.300.0000.00722.09
8.0.290.0030.00516.75
8.0.280.0000.00718.44
8.0.270.0030.00317.10
8.0.260.0030.00317.18
8.0.250.0070.00016.96
8.0.240.0090.00016.86
8.0.230.0070.00016.98
8.0.220.0000.00716.85
8.0.210.0070.00016.90
8.0.200.0070.00016.94
8.0.190.0040.00416.87
8.0.180.0000.00716.95
8.0.170.0040.00416.95
8.0.160.0000.00816.95
8.0.150.0000.00816.73
8.0.140.0000.00816.88
8.0.130.0000.00513.27
8.0.120.0030.00516.84
8.0.110.0070.00016.81
8.0.100.0040.00416.82
8.0.90.0040.00416.86
8.0.80.0030.01216.90
8.0.70.0070.00016.84
8.0.60.0040.00416.80
8.0.50.0040.00416.83
8.0.30.0110.00816.95
8.0.20.0110.00817.40
8.0.10.0080.00017.01
8.0.00.0150.00616.77
7.4.330.0050.00015.08
7.4.320.0000.00616.40
7.4.300.0070.00016.48
7.4.290.0030.00316.54
7.4.280.0060.00316.39
7.4.270.0000.00816.58
7.4.260.0030.00316.47
7.4.250.0000.00716.54
7.4.240.0000.00716.43
7.4.230.0030.00316.18
7.4.220.0060.01316.49
7.4.210.0060.01216.54
7.4.200.0000.00716.48
7.4.160.0060.00916.29
7.4.150.0040.01617.40
7.4.140.0110.00817.86
7.4.130.0100.00716.48
7.4.120.0090.01116.58
7.4.110.0100.00716.32
7.4.100.0150.00316.62
7.4.90.0090.00916.56
7.4.80.0120.00619.39
7.4.70.0020.01616.55
7.4.60.0080.00816.32
7.4.50.0100.00316.34
7.4.40.0100.01316.19
7.4.30.0060.00916.61
7.4.10.0060.01314.81
7.4.00.0080.00814.65
7.3.330.0000.00513.18
7.3.320.0030.00312.95
7.3.310.0040.00416.28
7.3.300.0070.00016.11
7.3.290.0080.00916.19
7.3.280.0070.01116.13
7.3.270.0070.01017.40
7.3.260.0030.02016.33
7.3.250.0130.00516.34
7.3.240.0130.00516.46
7.3.230.0140.00316.46
7.3.210.0070.01216.43
7.3.200.0100.00616.41
7.3.190.0040.01516.47
7.3.180.0090.00916.40
7.3.170.0080.01016.13
7.3.160.0090.00616.30
7.3.130.0110.00714.78
7.3.120.0100.00714.36
7.3.110.0100.01014.81
7.3.100.0070.00714.78
7.3.90.0080.00314.51
7.3.80.0030.01114.45
7.3.70.0030.01014.68
7.3.60.0000.01714.80
7.3.50.0060.00814.84
7.3.40.0030.01314.59
7.3.30.0060.00914.64
7.3.20.0060.01016.61
7.3.10.0060.00916.53
7.3.00.0070.00716.50
7.2.330.0100.00716.35
7.2.320.0160.00616.58
7.2.310.0060.01016.25
7.2.300.0140.00316.33
7.2.290.0050.01116.39
7.2.260.0070.01114.93
7.2.250.0090.00614.95
7.2.240.0040.01214.68
7.2.230.0100.00714.95
7.2.220.0090.00614.99
7.2.210.0130.00314.52
7.2.200.0070.01015.07
7.2.190.0040.01115.05
7.2.180.0130.00314.74
7.2.170.0070.01014.91
7.2.160.0060.00615.14
7.2.150.0100.00317.04
7.2.140.0030.01316.81
7.2.130.0100.00716.78
7.2.120.0030.01416.68
7.2.110.0030.00716.85
7.2.100.0070.01016.96
7.2.90.0070.00616.75
7.2.80.0120.00016.59
7.2.70.0060.00916.66
7.2.60.0060.01016.73
7.2.50.0070.00716.57
7.2.40.0090.00917.02
7.2.30.0120.00616.68
7.2.20.0040.00716.73
7.2.10.0030.01016.47
7.2.00.0020.01417.89
7.1.330.0040.01115.74
7.1.320.0100.00315.70
7.1.310.0030.01015.66
7.1.300.0060.00915.73
7.1.290.0030.00715.72
7.1.280.0080.00615.79
7.1.270.0040.01115.78
7.1.260.0090.00615.72
7.1.250.0030.01015.74
7.1.240.0100.00715.44
7.1.230.0090.00615.43
7.1.220.0060.00315.77
7.1.210.0060.00315.82
7.1.200.0080.00515.82
7.1.190.0070.00715.42
7.1.180.0080.00615.83
7.1.170.0070.00715.78
7.1.160.0080.00815.68
7.1.150.0030.01415.83
7.1.140.0040.00815.63
7.1.130.0000.01015.77
7.1.120.0040.00715.78
7.1.110.0060.00315.60
7.1.100.0080.00616.75
7.1.90.0060.00615.61
7.1.80.0000.01115.87
7.1.70.0040.00416.54
7.1.60.0050.01217.67
7.1.50.0030.01416.12
7.1.40.0030.01015.50
7.1.30.0000.01015.83
7.1.20.0030.00815.55
7.1.10.0120.00415.34
7.1.00.0030.03819.06
7.0.330.0040.01115.36
7.0.320.0070.00415.48
7.0.310.0040.00715.30
7.0.300.0130.00015.25
7.0.290.0040.01115.36
7.0.280.0050.00315.41
7.0.270.0060.00315.17
7.0.260.0030.01015.29
7.0.250.0000.01215.43
7.0.240.0160.00015.35
7.0.230.0040.00415.42
7.0.220.0030.00915.42
7.0.210.0030.00915.27
7.0.200.0080.01016.03
7.0.190.0070.00715.37
7.0.180.0030.01015.44
7.0.170.0030.00615.51
7.0.160.0000.00815.41
7.0.150.0080.00415.37
7.0.140.0090.00615.42
7.0.130.0030.00615.45
7.0.120.0070.00715.48
7.0.110.0090.00015.30
7.0.100.0070.00715.33
7.0.90.0000.01115.26
7.0.80.0080.00615.47
7.0.70.0030.00915.29
7.0.60.0050.03518.70
7.0.50.0080.04116.48
7.0.40.0050.03516.77
7.0.30.0220.03316.74
7.0.20.0170.03516.57
7.0.10.0180.03816.90
7.0.00.0150.03016.64
5.6.400.0030.00614.05
5.6.390.0060.01014.13
5.6.380.0040.01214.34
5.6.370.0070.00714.33
5.6.360.0070.00314.53
5.6.350.0000.01014.55
5.6.340.0070.00714.47
5.6.330.0090.00914.32
5.6.320.0100.00313.95
5.6.310.0000.01614.24
5.6.300.0060.00314.41
5.6.290.0030.00914.41
5.6.280.0040.04417.63
5.6.270.0080.00414.18
5.6.260.0040.01114.36
5.6.250.0070.00314.18
5.6.240.0080.00414.27
5.6.230.0030.01013.95
5.6.220.0000.01014.38
5.6.210.0130.03717.31
5.6.200.0020.04716.28
5.6.190.0070.03517.42
5.6.180.0240.03517.34
5.6.170.0230.02817.39
5.6.160.0050.03717.39
5.6.150.0040.03817.25
5.6.140.0200.03017.13
5.6.130.0180.03117.32
5.6.120.0050.03717.37
5.6.110.0120.02817.36
5.6.100.0250.02917.30
5.6.90.0230.03217.20
5.6.80.0190.03416.82
5.6.70.0160.03716.86
5.6.60.0080.03617.01
5.6.50.0170.02316.97
5.6.40.0120.03416.90
5.6.30.0060.03616.88
5.6.20.0100.03516.98
5.6.10.0120.03316.91
5.6.00.0100.03416.96
5.5.380.0040.01114.11
5.5.370.0100.00314.25
5.5.360.0120.00014.19
5.5.350.0070.02517.18
5.5.340.0020.02716.09
5.5.330.0110.03117.28
5.5.320.0170.03117.20
5.5.310.0160.03317.31
5.5.300.0180.03617.18
5.5.290.0100.03817.23
5.5.280.0100.03017.27
5.5.270.0150.02817.39
5.5.260.0200.03116.93
5.5.250.0190.03517.05
5.5.240.0200.02916.74
5.5.230.0210.02916.75
5.5.220.0250.03316.71
5.5.210.0100.03316.90
5.5.200.0080.03516.88
5.5.190.0160.02616.74
5.5.180.0100.03516.86
5.5.170.0080.00414.33
5.5.160.0070.03816.92
5.5.150.0140.02716.72
5.5.140.0080.03216.87
5.5.130.0140.02716.81
5.5.120.0080.03316.85
5.5.110.0130.02716.84
5.5.100.0120.02816.81
5.5.90.0090.03216.78
5.5.80.0100.03216.47
5.5.70.0080.03416.69
5.5.60.0160.02416.79
5.5.50.0150.02816.79
5.5.40.0030.03616.79
5.5.30.0120.02916.73
5.5.20.0100.02916.70
5.5.10.0050.03816.80
5.5.00.0140.02816.75

preferences:
60.74 ms | 401 KiB | 5 Q