3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(); $a[] = array(); var_dump(empty($a)); var_dump(isset($a)); var_dump(count($a)); //var_dump($a); $b = array_filter($a); var_dump(empty($b)); var_dump(empty(1 + 2));

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)
8.3.40.0040.01418.84
8.3.30.0030.01018.96
8.3.20.0050.00220.29
8.3.10.0040.00423.66
8.3.00.0080.00019.16
8.2.170.0040.01122.96
8.2.160.0070.00720.39
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0070.00026.16
8.2.120.0000.00820.78
8.2.110.0030.00622.21
8.2.100.0090.00320.35
8.2.90.0000.00819.05
8.2.80.0000.00817.97
8.2.70.0000.00817.63
8.2.60.0090.00317.80
8.2.50.0100.00018.07
8.2.40.0030.00620.01
8.2.30.0000.00718.17
8.2.20.0000.00817.74
8.2.10.0050.00218.04
8.2.00.0100.00017.79
8.1.270.0060.00323.97
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0090.00022.01
8.1.230.0040.00819.16
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0000.01117.35
8.1.190.0030.00617.23
8.1.180.0110.00019.01
8.1.170.0090.00518.34
8.1.160.0000.00722.01
8.1.150.0040.00418.54
8.1.140.0030.00617.44
8.1.130.0000.00717.87
8.1.120.0070.00017.43
8.1.110.0030.00317.33
8.1.100.0000.00717.41
8.1.90.0020.00517.43
8.1.80.0040.00417.47
8.1.70.0070.00017.43
8.1.60.0030.00517.61
8.1.50.0000.00817.41
8.1.40.0040.00817.47
8.1.30.0040.00417.65
8.1.20.0040.00417.66
8.1.10.0080.00017.35
8.1.00.0040.00417.29
8.0.300.0000.00718.77
8.0.290.0000.00716.63
8.0.280.0000.00718.36
8.0.270.0000.00717.18
8.0.260.0070.00017.07
8.0.250.0000.00716.88
8.0.240.0000.00716.86
8.0.230.0000.00716.91
8.0.220.0000.00716.86
8.0.210.0050.00216.73
8.0.200.0000.00716.86
8.0.190.0040.00416.87
8.0.180.0080.00016.84
8.0.170.0040.00416.78
8.0.160.0080.00016.84
8.0.150.0000.00816.72
8.0.140.0000.00716.84
8.0.130.0030.00313.30
8.0.120.0040.00416.86
8.0.110.0050.00316.86
8.0.100.0000.00816.85
8.0.90.0040.00416.95
8.0.80.0090.01216.81
8.0.70.0000.00716.75
8.0.60.0050.00316.85
8.0.50.0030.00516.73
8.0.30.0110.00817.06
8.0.20.0100.01017.40
8.0.10.0070.00016.87
8.0.00.0060.01216.67
7.4.330.0020.00215.00
7.4.320.0000.00616.60
7.4.300.0030.00316.46
7.4.290.0000.00716.57
7.4.280.0100.00016.57
7.4.270.0040.00416.64
7.4.260.0030.00516.57
7.4.250.0030.00516.46
7.4.240.0000.00716.59
7.4.230.0000.00716.34
7.4.220.0070.01116.49
7.4.210.0100.00416.63
7.4.200.0050.00216.58
7.4.190.0040.00416.65
7.4.160.0090.00616.36
7.4.150.0120.00917.40
7.4.140.0050.01317.86
7.4.130.0130.00916.49
7.4.120.0100.00816.49
7.4.110.0100.00716.59
7.4.100.0060.01216.43
7.4.90.0130.00316.38
7.4.80.0100.00619.39
7.4.70.0100.00716.34
7.4.60.0120.00616.46
7.4.50.0000.00416.53
7.4.40.0060.00916.36
7.4.30.0060.00916.54
7.4.00.0040.01114.85
7.3.330.0000.00613.18
7.3.320.0030.00313.00
7.3.310.0040.00416.21
7.3.300.0050.00216.09
7.3.290.0110.00616.23
7.3.280.0090.00916.25
7.3.270.0060.01217.40
7.3.260.0090.01316.31
7.3.250.0170.00816.49
7.3.240.0100.00616.55
7.3.230.0100.01016.39
7.3.210.0030.01416.38
7.3.200.0090.01419.39
7.3.190.0110.01116.31
7.3.180.0080.00716.32
7.3.170.0030.01316.36
7.3.160.0060.00916.18
7.3.120.0100.00314.79
7.2.330.0100.00716.46
7.2.320.0100.00616.61
7.2.310.0070.01016.51
7.2.300.0030.01316.45
7.2.290.0130.01216.68
7.2.60.0090.00616.89
7.1.200.0000.01615.61
7.1.70.0000.01316.72
7.1.60.0100.01419.46
7.1.50.0170.00716.84
7.1.00.0000.08022.36
7.0.200.0040.00416.67
7.0.140.0070.07021.91
7.0.60.0130.07719.90
7.0.50.0070.08017.90
7.0.40.0200.04317.77
7.0.30.0000.08717.65
7.0.20.0070.06317.79
7.0.10.0130.07717.75
7.0.00.0000.09317.72
5.6.280.0000.07720.92
5.6.210.0130.06020.70
5.6.200.0030.04318.19
5.6.190.0000.05718.13
5.6.180.0130.07318.13
5.6.170.0070.05018.11
5.6.160.0130.07718.12
5.6.150.0100.07718.18
5.6.140.0100.03718.22
5.6.130.0100.07018.15
5.6.120.0170.07018.17
5.6.110.0130.07318.07
5.6.100.0070.05018.06
5.6.90.0070.08318.18
5.6.80.0030.08017.48
5.6.70.0070.08017.46
5.6.60.0130.04017.50
5.6.50.0070.07717.50
5.6.40.0030.08017.44
5.6.30.0070.07317.48
5.6.20.0130.03717.57
5.6.10.0170.06717.56
5.6.00.0070.07317.55
5.5.350.4630.03320.39
5.5.340.0030.05318.02
5.5.330.0100.06017.90
5.5.320.0100.07317.95
5.5.310.0100.07718.02
5.5.300.0100.03317.90
5.5.290.0100.06717.91
5.5.280.0100.04717.95
5.5.270.0100.08018.00
5.5.260.0030.06717.90
5.5.250.0100.07017.79
5.5.240.0030.08017.30
5.5.230.0100.07317.36
5.5.220.0100.07017.28
5.5.210.0000.06717.36
5.5.200.0000.06317.33
5.5.190.0070.03717.30
5.5.180.0030.04017.27
5.5.160.0100.07717.36
5.5.150.0070.05317.22
5.5.140.0070.07017.36
5.5.130.0100.06317.30
5.5.120.0030.08017.26
5.5.110.0170.06717.36
5.5.100.0030.04717.14
5.5.90.0100.06317.13
5.5.80.0030.08017.15
5.5.70.0000.06717.13
5.5.60.0070.07317.25
5.5.50.0100.04017.22
5.5.40.0130.07317.26
5.5.30.0070.04317.14
5.5.20.0100.07317.25
5.5.10.0100.05717.24
5.5.00.0170.05717.15
5.4.450.0070.08319.45
5.4.440.0030.08319.22
5.4.430.0070.04319.33
5.4.420.0030.06319.35
5.4.410.0130.07319.31
5.4.400.0030.05019.05
5.4.390.0100.07719.02
5.4.380.0100.07319.14
5.4.370.0170.03719.05
5.4.360.0100.08019.03
5.4.350.0100.06718.89
5.4.340.0100.06318.98
5.4.320.0070.07719.12
5.4.310.0070.06719.03
5.4.300.0070.05319.13
5.4.290.0070.06719.03
5.4.280.0030.05019.05
5.4.270.0100.07319.01
5.4.260.0070.06319.12
5.4.250.0000.06319.03
5.4.240.0100.04718.97
5.4.230.0100.03718.95
5.4.220.0030.05019.05
5.4.210.0070.07019.26
5.4.200.0030.06719.09
5.4.190.0000.04718.97
5.4.180.0030.08319.08
5.4.170.0100.04319.13
5.4.160.0070.07719.02
5.4.150.0100.07719.04
5.4.140.0000.05016.31
5.4.130.0030.07316.23
5.4.120.0000.03716.54
5.4.110.0030.07316.48
5.4.100.0030.04716.38
5.4.90.0100.06716.59
5.4.80.0100.07016.47
5.4.70.0030.06716.41
5.4.60.0000.04716.39
5.4.50.0100.06716.39
5.4.40.0030.04316.41
5.4.30.0070.07016.20
5.4.20.0100.06716.41
5.4.10.0030.08016.29
5.4.00.0070.07015.90
5.3.290.0030.07314.63
5.3.280.0030.07714.68
5.3.270.0100.07714.56
5.3.260.0030.07014.38
5.3.250.0170.06314.55
5.3.240.0030.04314.40
5.3.230.0030.03714.57
5.3.220.0000.04714.52
5.3.210.0030.07014.54
5.3.200.0000.04014.35
5.3.190.0030.08014.39
5.3.180.0030.05014.52
5.3.170.0030.07314.54
5.3.160.0100.07314.65
5.3.150.0200.04314.52
5.3.140.0070.07714.50
5.3.130.0130.07314.50
5.3.120.0000.07714.52
5.3.110.0030.07314.52
5.3.100.0100.06014.00
5.3.90.0130.06714.10
5.3.80.0070.07313.99
5.3.70.0100.05713.78
5.3.60.0100.04313.92
5.3.50.0070.07013.94
5.3.40.0030.04313.86
5.3.30.0070.05313.86
5.3.20.0100.07013.55
5.3.10.0030.07313.43
5.3.00.0070.07713.57
5.2.170.0070.04711.15
5.2.160.0100.05711.12
5.2.150.0070.03711.15
5.2.140.0030.05311.14
5.2.130.0030.06011.02
5.2.120.0070.06011.25
5.2.110.0000.05711.24
5.2.100.0000.06311.05
5.2.90.0070.04011.10
5.2.80.0030.03710.92
5.2.70.0000.06711.04
5.2.60.0000.06711.08
5.2.50.0100.06010.84
5.2.40.0000.05710.98
5.2.30.0030.06710.96
5.2.20.0070.04710.89
5.2.10.0030.05310.89
5.2.00.0000.03310.75
5.1.60.0030.0579.97
5.1.50.0100.0279.97
5.1.40.0000.03710.05
5.1.30.0030.04310.48
5.1.20.0070.02710.37
5.1.10.0030.05710.07
5.1.00.0030.03710.02
5.0.50.0070.0338.60
5.0.40.0100.0178.37
5.0.30.0000.0578.25
5.0.20.0030.0478.23
5.0.10.0000.0478.00
5.0.00.0000.0508.13
4.4.90.0070.0207.95
4.4.80.0030.0337.95
4.4.70.0000.0377.95
4.4.60.0000.0377.95
4.4.50.0030.0337.95
4.4.40.0000.0437.95
4.4.30.0030.0277.95
4.4.20.0070.0307.95
4.4.10.0030.0277.95
4.4.00.0030.0437.95
4.3.110.0070.0337.95
4.3.100.0030.0177.95
4.3.90.0030.0377.95
4.3.80.0030.0537.95
4.3.70.0000.0337.95
4.3.60.0000.0337.95
4.3.50.0130.0177.95
4.3.40.0000.0507.95
4.3.30.0000.0307.95
4.3.20.0000.0377.95
4.3.10.0000.0377.95
4.3.00.0030.0337.95

preferences:
40.5 ms | 400 KiB | 5 Q