3v4l.org

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

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)
8.3.40.0070.00718.67
8.3.30.0120.00320.35
8.3.20.0050.00320.21
8.3.10.0050.00321.07
8.3.00.0050.00322.43
8.2.170.0120.00322.96
8.2.160.0100.00320.52
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0090.00020.67
8.2.110.0040.00719.45
8.2.100.0090.00317.78
8.2.90.0000.00719.22
8.2.80.0030.00617.97
8.2.70.0030.00617.50
8.2.60.0040.00417.80
8.2.50.0040.00418.07
8.2.40.0060.00318.34
8.2.30.0070.00019.40
8.2.20.0000.00817.66
8.2.10.0000.00817.62
8.2.00.0040.00417.56
8.1.270.0000.00723.99
8.1.260.0070.00026.35
8.1.250.0090.00628.09
8.1.240.0030.00622.46
8.1.230.0090.00320.88
8.1.220.0050.00318.77
8.1.210.0000.00820.85
8.1.200.0030.00617.35
8.1.190.0040.00417.39
8.1.180.0030.00518.10
8.1.170.0040.00418.40
8.1.160.0030.00518.82
8.1.150.0040.00418.44
8.1.140.0040.00417.36
8.1.130.0030.00317.78
8.1.120.0000.00717.42
8.1.110.0070.00017.39
8.1.100.0000.00717.32
8.1.90.0020.00517.43
8.1.80.0060.00317.40
8.1.70.0030.00517.30
8.1.60.0040.00417.35
8.1.50.0050.00217.50
8.1.40.0060.00317.41
8.1.30.0000.00817.55
8.1.20.0040.00417.54
8.1.10.0060.00317.51
8.1.00.0050.00317.41
8.0.300.0060.00319.91
8.0.290.0000.00717.16
8.0.280.0040.00418.43
8.0.270.0000.00717.10
8.0.260.0030.00316.76
8.0.250.0040.00416.85
8.0.240.0000.00816.87
8.0.230.0000.00716.88
8.0.220.0000.00716.73
8.0.210.0070.00016.83
8.0.200.0070.00016.90
8.0.190.0040.00416.85
8.0.180.0040.00416.75
8.0.170.0000.00716.77
8.0.160.0000.00816.76
8.0.150.0000.00816.79
8.0.140.0110.00016.79
8.0.130.0000.00513.26
8.0.120.0030.00516.77
8.0.110.0000.00716.64
8.0.100.0040.00416.62
8.0.90.0030.00416.74
8.0.80.0130.00716.82
8.0.70.0030.00516.77
8.0.60.0030.00316.63
8.0.50.0040.00416.66
8.0.30.0080.01017.09
8.0.20.0090.01317.40
8.0.10.0070.00016.85
8.0.00.0070.01216.53
7.4.330.0050.00016.66
7.4.320.0040.00416.45
7.4.300.0030.00316.34
7.4.290.0000.00716.41
7.4.280.0040.00416.33
7.4.270.0000.00716.55
7.4.260.0000.00513.20
7.4.250.0040.00416.34
7.4.240.0020.00616.48
7.4.230.0030.00316.63
7.4.220.0100.00916.51
7.4.210.0090.00716.46
7.4.200.0000.00716.55
7.4.190.0030.00316.45
7.4.160.0090.00916.27
7.4.150.0070.01717.40
7.4.140.0090.01117.86
7.4.130.0060.01116.36
7.4.120.0100.00716.40
7.4.110.0130.00416.50
7.4.100.0120.01016.49
7.4.90.0060.01216.34
7.4.80.0090.00619.39
7.4.70.0050.01116.46
7.4.60.0100.00716.42
7.4.50.0040.00416.02
7.4.40.0040.01122.77
7.4.30.0210.00016.34
7.4.00.0030.01214.72
7.3.330.0050.00013.04
7.3.320.0000.00513.11
7.3.310.0000.00716.13
7.3.300.0030.00316.18
7.3.290.0110.00416.17
7.3.280.0070.00916.15
7.3.270.0030.01417.40
7.3.260.0170.00618.24
7.3.250.0070.01316.33
7.3.240.0160.00616.43
7.3.230.0100.00716.39
7.3.210.0100.00816.10
7.3.200.0120.01019.39
7.3.190.0120.01516.54
7.3.180.0100.00716.17
7.3.170.0120.00616.27
7.3.160.0090.01316.34
7.3.120.0070.01114.66
7.3.10.0140.01216.29
7.3.00.0080.00816.06
7.2.330.0140.00716.62
7.2.320.0110.01016.55
7.2.310.0150.00316.32
7.2.300.0060.01616.55
7.2.290.0140.00316.56
7.2.130.0160.00416.30
7.2.120.0070.01416.23
7.2.110.0190.00416.26
7.2.100.0190.00916.15
7.2.90.0110.01516.37
7.2.80.0190.00316.26
7.2.70.0140.00916.69
7.2.60.0070.01116.27
7.2.50.0120.00616.08
7.2.40.0120.00616.32
7.2.30.0110.00816.29
7.2.20.0130.01316.15
7.2.10.0090.01216.19
7.2.00.0120.01018.09
7.1.250.0220.00015.60
7.1.100.0000.01517.86
7.1.70.0000.00717.01
7.1.60.0090.00919.17
7.1.50.0000.01116.53
7.1.00.0070.07322.37
7.0.200.0000.00816.84
7.0.140.0030.07322.07
7.0.100.0270.07719.99
7.0.90.0100.07719.94
7.0.80.0130.07719.91
7.0.70.0230.08319.95
7.0.60.0270.07020.06
7.0.50.0070.06320.30
7.0.40.0200.07020.05
7.0.30.0070.08719.99
7.0.20.0100.04320.19
7.0.10.0100.06719.93
7.0.00.0070.05319.95
5.6.280.0000.07721.09
5.6.250.0000.09320.62
5.6.240.0100.08020.57
5.6.230.0030.08720.60
5.6.220.0130.08020.73
5.6.210.0200.07020.74
5.6.200.0100.05020.96
5.6.190.0170.06321.16
5.6.180.0030.08320.95
5.6.170.0070.08321.03
5.6.160.0030.08721.16
5.6.150.0130.07321.10
5.6.140.0130.08020.95
5.6.130.0070.08020.93
5.6.120.0130.08021.16
5.6.110.0170.07020.91
5.6.100.0170.07021.03
5.6.90.0100.08721.03
5.6.80.0070.08020.43
5.6.70.0130.04020.50
5.6.60.0170.06720.49
5.6.50.0170.07020.42
5.6.40.0130.05720.30
5.6.30.0100.05720.37
5.6.20.0030.04720.46
5.6.10.0000.05320.52
5.6.00.0100.07320.44
5.5.380.0170.07320.34
5.5.370.0130.05320.33
5.5.360.0070.08020.39
5.5.350.0170.06020.46
5.5.340.0070.06720.89
5.5.330.0070.04720.84
5.5.320.0130.07020.85
5.5.310.0170.06020.75
5.5.300.0130.06020.86
5.5.290.0100.07320.91
5.5.280.0100.07720.88
5.5.270.0130.07320.91
5.5.260.0170.06720.63
5.5.250.0100.08020.60
5.5.240.0100.08320.24
5.5.230.0100.07720.01
5.5.220.0100.07320.13
5.5.210.0230.05720.23
5.5.200.0100.03720.25
5.5.190.0070.08020.23
5.5.180.0100.08020.14
5.5.160.0070.06020.26
5.5.150.0130.07320.11
5.5.140.0170.07320.27
5.5.130.0130.06020.16
5.5.120.0130.04720.27
5.5.110.0130.07020.24
5.5.100.0000.05320.17
5.5.90.0100.07020.08
5.5.80.0100.04320.06
5.5.70.0100.03320.02
5.5.60.0030.04720.05
5.5.50.0070.08020.05
5.5.40.0200.05720.08
5.5.30.0030.04020.04
5.5.20.0030.04320.04
5.5.10.0030.08020.07
5.5.00.0070.05019.96
5.4.450.0070.08019.27
5.4.440.0100.07319.11
5.4.430.0030.04719.38
5.4.420.0030.04319.46
5.4.410.0030.08319.10
5.4.400.0030.08019.18
5.4.390.0070.04019.16
5.4.380.0100.04318.81
5.4.370.0170.06318.81
5.4.360.0000.08019.11
5.4.350.0100.07318.79
5.4.340.0130.08019.03
5.4.320.0100.07019.14
5.4.310.0030.07719.06
5.4.300.0130.06719.07
5.4.290.0200.06319.11
5.4.280.0070.07318.81
5.4.270.0030.06318.89
5.4.260.0170.07019.09
5.4.250.0070.05019.11
5.4.240.0070.05719.04
5.4.230.0130.04019.06
5.4.220.0030.05019.07
5.4.210.0070.03719.03
5.4.200.0070.07018.80
5.4.190.0070.08019.10
5.4.180.0000.04019.02
5.4.170.0070.07718.96
5.4.160.0100.07318.81
5.4.150.0070.09319.02
5.4.140.0070.07716.25
5.4.130.0000.07716.32
5.4.120.0130.05316.26
5.4.110.0100.04316.34
5.4.100.0070.07316.46
5.4.90.0030.07316.46
5.4.80.0130.06316.16
5.4.70.0130.06316.30
5.4.60.0100.05016.32
5.4.50.0070.07016.38
5.4.40.0000.08016.27
5.4.30.0000.05316.19
5.4.20.0070.03716.37
5.4.10.0100.07016.40
5.4.00.0070.05315.73
5.3.290.0100.03714.67
5.3.280.0000.04314.44
5.3.270.0170.06314.59
5.3.260.0130.06314.55
5.3.250.0030.05314.46
5.3.240.0000.06314.55
5.3.230.0070.07314.45
5.3.220.0030.06314.52
5.3.210.0130.05714.56
5.3.200.0070.08014.44
5.3.190.0130.06014.54
5.3.180.0100.07014.55
5.3.170.0030.08014.41
5.3.160.0100.07014.52
5.3.150.0070.06714.54
5.3.140.0170.06014.55
5.3.130.0070.07714.49
5.3.120.0100.07714.54
5.3.110.0000.08314.50
5.3.100.0030.06313.85
5.3.90.0030.07314.02
5.3.80.0000.04713.78
5.3.70.0070.07313.97
5.3.60.0200.06013.94
5.3.50.0070.06713.79
5.3.40.0100.06313.80
5.3.30.0070.05713.89
5.3.20.0130.06013.68
5.3.10.0000.04013.60
5.3.00.0070.04013.56
5.2.170.0070.06312.25
5.2.160.0070.03012.25
5.2.150.0000.07012.25
5.2.140.0070.05712.25
5.2.130.0030.05712.25
5.2.120.0030.05712.25
5.2.110.0100.05712.25
5.2.100.0070.02712.25
5.2.90.0100.05712.25
5.2.80.0030.05712.25
5.2.70.0030.06312.25
5.2.60.0000.07312.25
5.2.50.0100.05712.25
5.2.40.0070.05712.25
5.2.30.0000.06312.25
5.2.20.0000.03712.25
5.2.10.0070.05712.25
5.2.00.0100.05712.25
5.1.60.0130.04012.25
5.1.50.0000.04012.25
5.1.40.0000.04712.25
5.1.30.0070.04712.25
5.1.20.0000.03712.25
5.1.10.0030.03712.25
5.1.00.0000.06012.25
5.0.50.0000.03012.25
5.0.40.0000.02312.25
5.0.30.0030.06312.25
5.0.20.0030.02012.25
5.0.10.0030.04012.25
5.0.00.0030.03312.25
4.4.90.0030.03012.25
4.4.80.0000.03312.25
4.4.70.0030.02312.25
4.4.60.0000.03012.25
4.4.50.0100.03012.25
4.4.40.0070.04712.25
4.4.30.0070.03012.25
4.4.20.0030.01712.25
4.4.10.0000.02312.25
4.4.00.0070.03312.25
4.3.110.0000.03712.25
4.3.100.0030.02312.25
4.3.90.0030.01312.25
4.3.80.0000.06012.25
4.3.70.0030.03012.25
4.3.60.0030.02712.25
4.3.50.0000.03312.25
4.3.40.0000.05312.25
4.3.30.0000.02712.25
4.3.20.0030.02012.25
4.3.10.0000.02312.25
4.3.00.0070.03012.25

preferences:
55.28 ms | 400 KiB | 5 Q