3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array( '' => 'foo', 'foo' => '', ); foreach($a as $k => $v) { var_dump(empty($a[$k])); }

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)
8.3.60.0070.01416.63
8.3.50.0070.00719.83
8.3.40.0160.00318.89
8.3.30.0070.00719.00
8.3.20.0050.00220.38
8.3.10.0040.00421.73
8.3.00.0050.00319.13
8.2.180.0140.00718.38
8.2.170.0110.00422.96
8.2.160.0130.00320.34
8.2.150.0080.00024.18
8.2.140.0030.00524.66
8.2.130.0050.01026.16
8.2.120.0080.00021.05
8.2.110.0050.00520.39
8.2.100.0080.00417.84
8.2.90.0060.00317.97
8.2.80.0000.00817.97
8.2.70.0030.00517.75
8.2.60.0080.00017.80
8.2.50.0000.00818.07
8.2.40.0000.00818.28
8.2.30.0050.00318.04
8.2.20.0030.00617.65
8.2.10.0050.00318.12
8.2.00.0000.00717.61
8.1.280.0110.00725.92
8.1.270.0050.00323.79
8.1.260.0000.00726.35
8.1.250.0100.00328.09
8.1.240.0040.00422.59
8.1.230.0090.00321.04
8.1.220.0000.00817.74
8.1.210.0060.00318.85
8.1.200.0030.00617.23
8.1.190.0030.00517.10
8.1.180.0000.00819.01
8.1.170.0060.00318.45
8.1.160.0040.00421.98
8.1.150.0050.00218.92
8.1.140.0000.00817.41
8.1.130.0000.00819.61
8.1.120.0040.00317.35
8.1.110.0050.00317.43
8.1.100.0040.00417.50
8.1.90.0040.00417.37
8.1.80.0000.00717.35
8.1.70.0000.00717.43
8.1.60.0030.00517.60
8.1.50.0000.00817.43
8.1.40.0000.00817.54
8.1.30.0040.00417.65
8.1.20.0030.00517.65
8.1.10.0050.00217.55
8.1.00.0070.00017.42
8.0.300.0040.00419.93
8.0.290.0040.00416.63
8.0.280.0000.00818.44
8.0.270.0080.00017.14
8.0.260.0000.00617.36
8.0.250.0030.00317.00
8.0.240.0050.00316.91
8.0.230.0000.00717.01
8.0.220.0000.00716.86
8.0.210.0040.00416.75
8.0.200.0000.00816.82
8.0.190.0000.00816.93
8.0.180.0000.00716.83
8.0.170.0070.00016.91
8.0.160.0050.00317.02
8.0.150.0000.00716.91
8.0.140.0030.00716.84
8.0.130.0000.00513.34
8.0.120.0070.00016.80
8.0.110.0070.00016.86
8.0.100.0070.00016.82
8.0.90.0040.00416.78
8.0.80.0070.00716.89
8.0.70.0000.00716.95
8.0.60.0000.00716.84
8.0.50.0000.00716.85
8.0.30.0150.00517.19
8.0.20.0090.01217.40
8.0.10.0070.00017.04
8.0.00.0130.00716.70
7.4.330.0020.00215.15
7.4.320.0040.00416.43
7.4.300.0060.00016.45
7.4.290.0030.00316.59
7.4.280.0070.00016.60
7.4.270.0070.00016.63
7.4.260.0070.00316.48
7.4.250.0050.00316.55
7.4.240.0050.00216.41
7.4.230.0030.00316.58
7.4.220.0090.00616.63
7.4.210.0150.00016.38
7.4.200.0070.00016.57
7.4.160.0120.00816.46
7.4.150.0030.01417.40
7.4.140.0120.00417.86
7.4.130.0070.01016.45
7.4.120.0080.01316.39
7.4.110.0060.01116.50
7.4.100.0150.00316.70
7.4.90.0030.01516.45
7.4.80.0060.01219.39
7.4.70.0040.00616.52
7.4.60.0100.00616.57
7.4.50.0020.00216.29
7.4.40.0110.00616.47
7.4.30.0060.00916.39
7.4.00.0030.01514.78
7.3.330.0060.00013.02
7.3.320.0000.00613.10
7.3.310.0000.00616.15
7.3.300.0070.00016.26
7.3.290.0070.01016.21
7.3.280.0070.00916.28
7.3.270.0080.00917.40
7.3.260.0070.01016.34
7.3.250.0130.00616.32
7.3.240.0110.00816.62
7.3.230.0000.01516.48
7.3.210.0090.01216.19
7.3.200.0180.00419.39
7.3.190.0130.00716.44
7.3.180.0000.01516.38
7.3.170.0100.00616.38
7.3.160.0130.00316.32
7.3.120.0110.00714.65
7.3.110.0070.01114.65
7.3.100.0060.00914.88
7.3.90.0100.01015.07
7.3.80.0040.00714.71
7.3.70.0000.00914.61
7.3.60.0040.01114.92
7.3.50.0070.01014.42
7.3.40.0030.01314.86
7.3.30.0130.00014.60
7.3.20.0080.00616.54
7.3.10.0030.01416.69
7.3.00.0040.00716.84
7.2.330.0150.00816.57
7.2.320.0120.01016.73
7.2.310.0120.00416.34
7.2.300.0060.01016.63
7.2.290.0090.00616.41
7.2.250.0080.00314.97
7.2.240.0030.01415.17
7.2.230.0070.01115.16
7.2.220.0090.00915.08
7.2.210.0000.01614.77
7.2.200.0090.00615.13
7.2.190.0030.00815.00
7.2.180.0040.00715.03
7.2.170.0070.00715.14
7.2.80.0070.00716.55
7.2.60.0090.00616.88
7.1.330.0040.01115.54
7.1.320.0000.01215.38
7.1.310.0060.00915.79
7.1.300.0120.00415.46
7.1.290.0070.00715.39
7.1.280.0070.01015.55
7.1.270.0040.01215.78
7.1.260.0040.01115.72
7.1.200.0070.00715.63
7.1.100.0110.00318.25
7.1.70.0030.00717.12
7.1.60.0170.00719.40
7.1.50.0030.02116.86
7.1.00.0100.06722.51
7.0.200.0040.01516.63
7.0.140.0000.07322.19
7.0.60.0030.09020.02
7.0.50.0030.08317.82
7.0.40.0170.04320.02
7.0.30.0270.08320.00
7.0.20.0270.07720.13
7.0.10.0070.05020.22
7.0.00.0030.06020.20
5.6.280.0100.06720.89
5.6.210.0100.07320.76
5.6.200.0070.06318.22
5.6.190.0100.09020.41
5.6.180.4170.03720.67
5.6.170.0230.08720.54
5.6.160.0000.07720.65
5.6.150.0030.07718.19
5.6.140.0070.07018.09
5.6.130.0070.05018.12
5.6.120.0070.08321.04
5.6.110.0130.07321.13
5.6.100.0100.06321.04
5.6.90.0030.07320.98
5.6.80.0070.08020.39
5.6.70.3300.03720.37
5.5.350.0130.08320.37
5.5.340.0000.04317.91
5.5.330.0030.05720.07
5.5.320.3700.04020.41
5.5.310.0270.05020.29
5.5.300.0070.04017.95
5.5.290.0030.07017.98
5.5.280.0200.07020.87
5.5.270.0000.05020.72
5.5.260.0170.07720.75
5.5.250.0200.07320.54
5.5.240.0230.07720.26
5.4.450.0230.04319.44
5.4.440.0300.05319.40
5.4.430.0200.04319.13
5.4.420.0170.04019.46
5.4.410.0170.04319.28
5.4.400.0330.04319.13
5.4.390.0400.04319.06
5.4.380.0070.07318.48
5.4.370.0100.05718.57
5.4.360.0130.05718.68
5.4.350.0100.05718.46
5.4.340.0100.05318.52
5.4.320.0100.04912.46
5.4.310.0040.04312.45
5.4.300.0100.03212.45
5.4.290.0070.03712.45
5.4.280.0060.03612.35
5.4.270.0070.04012.35
5.4.260.0080.03512.35
5.4.250.0060.03912.35
5.4.240.0070.03512.35
5.4.230.0050.03912.34
5.4.220.0090.03212.34
5.4.210.0070.03412.34
5.4.200.0080.03612.34
5.4.190.0040.03712.34
5.4.180.0040.03812.34
5.4.170.0040.03712.35
5.4.160.0050.03712.34
5.4.150.0040.03812.34
5.4.140.0080.03412.03
5.4.130.0060.03512.01
5.4.120.0040.03711.97
5.4.110.0060.03511.96
5.4.100.0050.03611.97
5.4.90.0040.03811.96
5.4.80.0070.03411.97
5.4.70.0050.03811.96
5.4.60.0030.03711.96
5.4.50.0040.03711.96
5.4.40.0060.03611.95
5.4.30.0030.04111.95
5.4.20.0040.04911.95
5.4.10.0020.04011.95
5.4.00.0090.04811.44
5.3.290.0050.04012.80
5.3.280.0070.03912.71
5.3.270.0030.04212.72
5.3.260.0050.04012.72
5.3.250.0040.04012.72
5.3.240.0120.03412.72
5.3.230.0060.03812.71
5.3.220.0080.03712.68
5.3.210.0050.04112.68
5.3.200.0050.04812.68
5.3.190.0070.04012.67
5.3.180.0080.03712.68
5.3.170.0070.03512.67
5.3.160.0050.03812.67
5.3.150.0070.03712.67
5.3.140.0100.03712.66
5.3.130.0070.03812.66
5.3.120.0070.03912.66
5.3.110.0050.04012.66
5.3.100.0100.03412.12
5.3.90.0080.04712.09
5.3.80.0060.03612.07
5.3.70.0090.03412.08
5.3.60.0050.03812.07
5.3.50.0050.03712.00
5.3.40.0070.03612.00
5.3.30.0090.05211.95
5.3.20.0070.04511.73
5.3.10.0070.03411.69
5.3.00.0050.03911.68
5.2.170.0070.0389.18
5.2.160.0070.0299.18
5.2.150.0100.0319.18
5.2.140.0090.0259.17
5.2.130.0100.0239.13
5.2.120.0030.0349.13
5.2.110.0090.0379.14
5.2.100.0120.0309.14
5.2.90.0080.0279.14
5.2.80.0050.0309.14
5.2.70.0070.0359.14
5.2.60.0040.0399.09
5.2.50.0020.0329.06
5.2.40.0060.0279.04
5.2.30.0020.0329.01
5.2.20.0050.0279.00
5.2.10.0040.0288.91
5.2.00.0040.0298.78
5.1.60.0040.0248.06
5.1.50.0040.0248.06
5.1.40.0030.0258.04
5.1.30.0030.0278.39
5.1.20.0070.0248.41
5.1.10.0040.0258.14
5.1.00.0060.0238.14
5.0.50.0060.0176.61
5.0.40.0050.0176.47
5.0.30.0040.0306.29
5.0.20.0020.0216.26
5.0.10.0040.0206.24
5.0.00.0020.0326.23
4.4.90.0030.0154.77
4.4.80.0020.0164.75
4.4.70.0030.0154.75
4.4.60.0030.0154.75
4.4.50.0010.0164.77
4.4.40.0030.0264.71
4.4.30.0040.0144.75
4.4.20.0040.0154.84
4.4.10.0010.0174.85
4.4.00.0010.0274.76
4.3.110.0030.0154.66
4.3.100.0010.0174.66
4.3.90.0020.0174.64
4.3.80.0020.0264.58
4.3.70.0020.0174.63
4.3.60.0050.0184.63
4.3.50.0030.0154.62
4.3.40.0020.0244.54
4.3.30.0000.0183.29
4.3.20.0010.0173.26
4.3.10.0030.0153.21
4.3.00.0000.02015.91

preferences:
55.67 ms | 400 KiB | 5 Q