3v4l.org

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

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)
8.3.40.0140.00018.74
8.3.30.0110.00418.67
8.3.20.0040.00418.32
8.3.10.0000.00820.94
8.3.00.0000.00823.54
8.2.170.0170.00322.96
8.2.160.0100.00320.35
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0080.00019.48
8.2.110.0060.00322.16
8.2.100.0110.00017.78
8.2.90.0040.00419.21
8.2.80.0000.00918.03
8.2.70.0030.00517.50
8.2.60.0000.00917.80
8.2.50.0040.00418.07
8.2.40.0050.00318.22
8.2.30.0040.00419.75
8.2.20.0040.00417.69
8.2.10.0000.00917.48
8.2.00.0080.00017.48
8.1.270.0040.00423.99
8.1.260.0070.00026.35
8.1.250.0060.00328.09
8.1.240.0060.00322.39
8.1.230.0110.00020.93
8.1.220.0000.00818.77
8.1.210.0050.00318.82
8.1.200.0000.00817.23
8.1.190.0060.00317.40
8.1.180.0050.00318.10
8.1.170.0000.00818.51
8.1.160.0070.00018.82
8.1.150.0000.00718.44
8.1.140.0040.00417.36
8.1.130.0000.00717.73
8.1.120.0070.00017.42
8.1.110.0000.00817.38
8.1.100.0030.00317.42
8.1.90.0000.00717.38
8.1.80.0070.00017.37
8.1.70.0000.00717.32
8.1.60.0050.00317.48
8.1.50.0040.00417.44
8.1.40.0040.00417.46
8.1.30.0040.00417.50
8.1.20.0050.00317.48
8.1.10.0000.00717.46
8.1.00.0070.00017.39
8.0.300.0000.00720.02
8.0.290.0040.00417.05
8.0.280.0000.00718.36
8.0.270.0050.00317.23
8.0.260.0030.00316.76
8.0.250.0070.00016.76
8.0.240.0040.00416.91
8.0.230.0000.00716.84
8.0.220.0030.00316.73
8.0.210.0030.00316.75
8.0.200.0000.00716.89
8.0.190.0040.00416.88
8.0.180.0040.00416.88
8.0.170.0070.00016.76
8.0.160.0030.00316.87
8.0.150.0060.00316.67
8.0.140.0120.00016.67
8.0.130.0050.00013.21
8.0.120.0080.00016.76
8.0.110.0080.00016.79
8.0.100.0000.00716.83
8.0.90.0050.00216.75
8.0.80.0110.00616.77
8.0.70.0040.00416.79
8.0.60.0000.00816.82
8.0.50.0040.00416.84
8.0.30.0060.01216.87
8.0.20.0060.01117.40
8.0.10.0040.00417.01
8.0.00.0100.01216.61
7.4.330.0050.00014.66
7.4.320.0030.00316.52
7.4.300.0000.00616.53
7.4.290.0000.00716.44
7.4.280.0100.00016.54
7.4.270.0030.00416.50
7.4.260.0060.00013.22
7.4.250.0000.00816.41
7.4.240.0070.00016.53
7.4.230.0000.00816.39
7.4.220.0030.01316.54
7.4.210.0050.00816.52
7.4.200.0000.00816.28
7.4.190.0000.00716.42
7.4.160.0030.01316.42
7.4.150.0120.01217.40
7.4.140.0070.01317.86
7.4.130.0100.00616.46
7.4.120.0130.00716.48
7.4.110.0160.00016.37
7.4.100.0000.01716.50
7.4.90.0070.01016.49
7.4.80.0060.00919.37
7.4.70.0120.00616.40
7.4.60.0100.01416.52
7.4.50.0030.00616.32
7.4.40.0090.00622.27
7.4.30.0080.00816.41
7.4.00.0040.01215.11
7.3.330.0050.00012.94
7.3.320.0060.00012.93
7.3.310.0040.00416.19
7.3.300.0000.00715.97
7.3.290.0030.01216.16
7.3.280.0070.01116.14
7.3.270.0170.00017.40
7.3.260.0170.00218.24
7.3.250.0090.01116.27
7.3.240.0070.01016.48
7.3.230.0070.01016.39
7.3.210.0140.00716.18
7.3.200.0150.00719.39
7.3.190.0090.00916.38
7.3.180.0090.00816.41
7.3.170.0030.01316.37
7.3.160.0060.00916.39
7.3.120.0040.01114.46
7.3.110.0040.01114.75
7.3.100.0070.00714.72
7.3.90.0060.00914.48
7.3.80.0100.00314.85
7.3.70.0040.01114.58
7.3.60.0060.00314.63
7.3.50.0070.00414.71
7.3.40.0090.00614.65
7.3.30.0040.01014.80
7.3.20.0100.00316.33
7.3.10.0090.00816.59
7.3.00.0140.00316.63
7.2.330.0170.00016.56
7.2.320.0030.01316.61
7.2.310.0060.01616.56
7.2.300.0110.00716.60
7.2.290.0080.00816.59
7.2.240.0000.01015.17
7.2.230.0140.00315.16
7.2.220.0030.01014.73
7.2.210.0000.01414.91
7.2.200.0110.00314.99
7.2.190.0110.00714.56
7.2.180.0060.00614.81
7.2.170.0130.00315.04
7.2.160.0070.00714.86
7.2.150.0000.01316.91
7.2.140.0040.01516.64
7.2.130.0120.00616.54
7.2.120.0090.00416.72
7.2.110.0070.00916.82
7.2.100.0100.00516.42
7.2.90.0090.00416.84
7.2.80.0030.01116.68
7.2.70.0060.01016.89
7.2.60.0090.00616.87
7.2.50.0050.00916.97
7.2.40.0050.00916.80
7.2.30.0050.01016.69
7.2.20.0100.00716.88
7.2.10.0090.00616.63
7.2.00.0110.00617.51
7.1.330.0030.00815.67
7.1.320.0130.00015.75
7.1.310.0090.00015.73
7.1.300.0080.00815.63
7.1.290.0030.00915.91
7.1.280.0090.00015.69
7.1.270.0100.00315.45
7.1.260.0110.00015.56
7.1.250.0100.00815.50
7.1.100.0110.00417.91
7.1.70.0000.00816.70
7.1.60.0110.01519.40
7.1.50.0100.01316.82
7.1.00.0100.07022.33
7.0.200.0050.00216.66
7.0.140.0030.07022.16
7.0.60.0130.05719.92
7.0.50.0100.06317.66
7.0.40.0170.07317.76
7.0.30.0000.04317.76
7.0.20.0070.03717.76
7.0.10.0000.06717.77
7.0.00.0030.08017.81
5.6.280.0070.07020.91
5.6.210.0070.03720.45
5.6.200.0100.07718.09
5.6.190.0100.07718.27
5.6.180.0100.05718.15
5.6.170.0030.05718.19
5.6.160.0070.03718.12
5.6.150.0000.04318.21
5.6.140.0130.03318.14
5.6.130.0000.04318.17
5.6.120.0100.03718.12
5.6.110.0130.04318.17
5.6.100.0030.04018.20
5.6.90.0030.05718.10
5.6.80.0000.04717.61
5.6.70.0070.03717.60
5.6.60.0100.03017.58
5.6.50.0000.04017.59
5.6.40.0030.03717.47
5.6.30.0070.03317.58
5.6.20.0030.04017.47
5.6.10.0000.04017.52
5.6.00.0070.03317.46
5.5.350.0170.06720.46
5.5.340.0100.07717.95
5.5.330.0070.08018.02
5.5.320.0030.04017.98
5.5.310.0030.04017.94
5.5.300.0100.03317.95
5.5.290.0000.04317.98
5.5.280.0070.04018.01
5.5.270.0130.03018.02
5.5.260.0000.04717.89
5.5.250.0030.04017.83
5.5.240.0000.04017.34
5.5.230.0000.04017.28
5.5.220.0070.03317.30
5.5.210.0070.03317.33
5.5.200.0030.04017.34
5.5.190.0070.03317.29
5.5.180.0000.04017.37
5.5.160.0030.03717.36
5.5.150.0030.03717.32
5.5.140.0000.04017.27
5.5.130.0030.04317.22
5.5.120.0000.04717.36
5.5.110.0100.04017.27
5.5.100.0030.04017.23
5.5.90.0230.05717.16
5.5.80.0030.05017.23
5.5.70.0100.03317.16
5.5.60.0030.04017.19
5.5.50.0070.05317.21
5.5.40.0070.05717.25
5.5.30.0100.07017.22
5.5.20.0100.06017.12
5.5.10.0200.04717.30
5.5.00.0070.03717.12
5.4.450.0000.04019.32
5.4.440.0000.04019.42
5.4.430.0000.04019.39
5.4.420.0030.04019.37
5.4.410.0030.03719.31
5.4.400.0030.04318.96
5.4.390.0000.04318.98
5.4.380.0000.04018.98
5.4.370.0030.03719.11
5.4.360.0000.04019.16
5.4.350.0030.03718.82
5.4.340.0000.04019.01
5.4.320.0070.03319.07
5.4.310.0070.03319.01
5.4.300.0100.03019.03
5.4.290.0030.03719.03
5.4.280.0030.05019.07
5.4.270.0030.06318.82
5.4.260.0070.03719.03
5.4.250.0030.04019.00
5.4.240.0000.04319.00
5.4.230.0030.03719.13
5.4.220.0070.07718.96
5.4.210.0030.08018.98
5.4.200.0070.06019.00
5.4.190.0070.07318.97
5.4.180.0100.06318.96
5.4.170.0070.07318.88
5.4.160.0200.04319.04
5.4.150.0100.05018.97
5.4.140.0170.06716.26
5.4.130.0100.04716.28
5.4.120.0030.05016.28
5.4.110.0070.07016.29
5.4.100.0070.07716.34
5.4.90.0030.04316.28
5.4.80.0170.03316.26
5.4.70.0100.05016.41
5.4.60.0130.06016.34
5.4.50.0070.03716.38
5.4.40.0070.05316.30
5.4.30.0030.04016.33
5.4.20.0100.03716.27
5.4.10.0100.03316.22
5.4.00.0030.03715.61
5.3.290.0030.03714.58
5.3.280.0100.03714.56
5.3.270.0070.04314.55
5.3.260.0030.04014.54
5.3.250.0100.07314.57
5.3.240.0030.07714.57
5.3.230.0070.07014.54
5.3.220.0070.07714.43
5.3.210.0100.05314.54
5.3.200.0030.04014.52
5.3.190.0030.06714.54
5.3.180.0170.07014.50
5.3.170.0100.06714.54
5.3.160.0030.04714.54
5.3.150.0170.03714.51
5.3.140.0070.07314.50
5.3.130.0070.03714.37
5.3.120.0030.04014.52
5.3.110.0030.05014.50
5.3.100.0030.04313.97
5.3.90.0070.07313.97
5.3.80.0030.05013.98
5.3.70.0030.03714.00
5.3.60.0100.06714.07
5.3.50.0170.06713.74
5.3.40.0170.06313.93
5.3.30.0100.07013.89
5.3.20.0200.06013.64
5.3.10.0070.05013.64
5.3.00.0170.06313.54
5.2.170.0070.03311.09
5.2.160.0070.03311.09
5.2.150.0000.06011.18
5.2.140.0130.05311.17
5.2.130.0030.05011.13
5.2.120.0070.03010.93
5.2.110.0030.03311.24
5.2.100.0030.04311.07
5.2.90.0070.06011.13
5.2.80.0070.03711.05
5.2.70.0070.02711.04
5.2.60.0000.03710.99
5.2.50.0030.06310.97
5.2.40.0030.05710.89
5.2.30.0030.06710.95
5.2.20.0000.06010.90
5.2.10.0100.05310.89
5.2.00.0030.03710.75
5.1.60.0000.0279.82
5.1.50.0070.04010.00
5.1.40.0030.0509.99
5.1.30.0070.04010.17
5.1.20.0030.04010.27
5.1.10.0070.05310.05
5.1.00.0030.03310.05
5.0.50.0100.0408.47
5.0.40.0070.0408.46
5.0.30.0030.0438.36
5.0.20.0070.0308.23
5.0.10.0000.0238.00
5.0.00.0070.0608.14
4.4.90.0030.0137.84
4.4.80.0030.0337.84
4.4.70.0000.0237.84
4.4.60.0000.0177.84
4.4.50.0000.0337.84
4.4.40.0030.0537.84
4.4.30.0070.0277.84
4.4.20.0070.0207.84
4.4.10.0070.0307.84
4.4.00.0000.0507.84
4.3.110.0030.0237.84
4.3.100.0030.0137.84
4.3.90.0070.0207.84
4.3.80.0030.0537.84
4.3.70.0000.0207.84
4.3.60.0030.0237.84
4.3.50.0000.0237.84
4.3.40.0070.0207.84
4.3.30.0000.0377.84
4.3.20.0000.0177.84
4.3.10.0000.0337.84
4.3.00.0000.0377.84

preferences:
44.26 ms | 400 KiB | 5 Q