3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ''; $b = 'hello'; if(isset($a[$b]['RML_ZONE'])){ print 'Empty'; }

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)
8.3.40.0060.01618.67
8.3.30.0070.00718.95
8.3.20.0040.00420.19
8.3.10.0050.00323.41
8.3.00.0040.00419.00
8.2.170.0040.01122.96
8.2.160.0060.00920.48
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0000.00926.16
8.2.120.0070.00022.04
8.2.110.0070.00320.57
8.2.100.0040.00717.63
8.2.90.0030.00519.09
8.2.80.0080.00017.97
8.2.70.0040.00417.79
8.2.60.0080.00017.80
8.2.50.0090.00018.10
8.2.40.0090.00021.17
8.2.30.0000.00819.48
8.2.20.0040.00417.55
8.2.10.0040.00417.86
8.2.00.0000.01017.57
8.1.270.0000.00822.09
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00323.79
8.1.230.0040.00722.11
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0070.00617.23
8.1.190.0050.00317.11
8.1.180.0090.00018.10
8.1.170.0040.00418.59
8.1.160.0050.00218.86
8.1.150.0000.00818.53
8.1.140.0060.00317.38
8.1.130.0000.00617.81
8.1.120.0030.00617.36
8.1.110.0030.00517.44
8.1.100.0040.00417.41
8.1.90.0080.00017.38
8.1.80.0030.00517.21
8.1.70.0030.00317.39
8.1.60.0040.00417.54
8.1.50.0040.00417.36
8.1.40.0000.00717.37
8.1.30.0000.00817.41
8.1.20.0040.00417.56
8.1.10.0050.00217.56
8.1.00.0040.00417.47
8.0.300.0130.00018.77
8.0.290.0000.00716.63
8.0.280.0040.00418.39
8.0.270.0030.00317.17
8.0.260.0000.00717.18
8.0.250.0050.00316.88
8.0.240.0040.00416.92
8.0.230.0040.00416.75
8.0.220.0000.00716.69
8.0.210.0030.00416.72
8.0.200.0050.00216.89
8.0.190.0070.00016.83
8.0.180.0040.00416.77
8.0.170.0040.00416.82
8.0.160.0090.00016.79
8.0.150.0000.01116.69
8.0.140.0050.00316.65
8.0.130.0030.00313.23
8.0.120.0040.00416.79
8.0.110.0070.00016.66
8.0.100.0000.00716.70
8.0.90.0070.00016.93
8.0.80.0060.00916.71
8.0.70.0040.00416.89
8.0.60.0020.00516.83
8.0.50.0040.00416.83
8.0.30.0120.00616.96
8.0.20.0070.01017.40
8.0.10.0030.00316.90
8.0.00.0070.01016.83
7.4.330.0000.00515.00
7.4.320.0070.00016.42
7.4.300.0000.00716.49
7.4.290.0000.00716.50
7.4.280.0000.00716.33
7.4.270.0070.00016.54
7.4.260.0000.00816.44
7.4.250.0000.00816.47
7.4.240.0020.00516.49
7.4.230.0000.00716.53
7.4.220.0160.00316.52
7.4.210.0080.00616.50
7.4.200.0030.00316.49
7.4.190.0050.00316.48
7.4.160.0100.00716.62
7.4.150.0070.01017.40
7.4.140.0070.01417.86
7.4.130.0120.00716.46
7.4.120.0100.00616.43
7.4.110.0140.00516.27
7.4.100.0060.01216.46
7.4.90.0090.00916.31
7.4.80.0090.01219.39
7.4.70.0030.01316.61
7.4.60.0120.00616.45
7.4.50.0030.00516.36
7.4.40.0040.01122.77
7.4.30.0070.00716.57
7.4.00.0030.01515.09
7.3.330.0030.00313.15
7.3.320.0050.00013.15
7.3.310.0040.00416.39
7.3.300.0000.00716.29
7.3.290.0000.01416.25
7.3.280.0090.01016.26
7.3.270.0170.00017.40
7.3.260.0040.01416.40
7.3.250.0130.00316.60
7.3.240.0100.01316.60
7.3.230.0040.01516.39
7.3.210.0070.01016.25
7.3.200.0160.00619.39
7.3.190.0100.00716.59
7.3.180.0120.00616.30
7.3.170.0090.01316.27
7.3.160.0040.01216.31
7.3.120.0100.00614.57
7.2.330.0050.01416.56
7.2.320.0060.00916.58
7.2.310.0130.00316.47
7.2.300.0070.01016.51
7.2.290.0070.01016.34
7.1.70.0090.00617.10
7.1.60.0040.02219.33
7.1.50.0090.01216.72
7.1.00.0070.07322.54
7.0.200.0060.00316.69
7.0.140.0030.07022.00
7.0.60.0130.07719.88
7.0.50.0030.07317.80
7.0.40.0130.08019.90
7.0.30.0470.03720.13
7.0.20.0170.04720.02
7.0.10.0070.06020.30
7.0.00.0130.06320.09
5.6.280.0070.07020.89
5.6.210.0100.08020.74
5.6.200.0030.08718.15
5.6.190.0100.05720.41
5.6.180.0330.07720.47
5.6.170.0330.08020.52
5.6.160.0000.04320.52
5.6.150.0070.07018.11
5.6.140.0000.04018.21
5.6.130.0070.08318.18
5.6.120.0100.08321.04
5.6.110.0000.04320.97
5.6.100.0070.04720.97
5.6.90.0130.08021.12
5.6.80.0100.06320.52
5.5.350.0170.07720.35
5.5.340.0070.05718.00
5.5.330.0100.08020.06
5.5.320.0270.07720.20
5.5.310.0170.04320.34
5.5.300.0030.04717.96
5.5.290.0170.07317.88
5.5.280.0000.04320.86
5.5.270.0000.08320.85
5.5.260.0000.04720.67
5.5.250.0070.04320.74
5.5.240.0270.07020.36
5.4.450.0200.03719.24
5.4.440.0230.08019.26
5.4.430.0300.05019.45
5.4.420.0230.07319.17
5.4.410.0070.05319.32
5.4.400.0230.07318.81
5.4.390.0230.07019.08
5.4.380.0230.05719.08
5.4.370.0330.06019.10
5.4.360.0170.04019.16
5.4.350.0270.04719.07
5.4.340.0370.06318.93
5.4.320.0230.04019.08
5.4.310.0300.07019.13
5.4.300.0230.07019.25
5.4.290.0170.07719.05
5.4.280.0300.06719.12
5.4.270.0200.04319.12
5.4.260.0230.05019.08
5.4.250.0270.07318.91
5.4.240.0370.04719.11
5.4.230.0230.04719.07
5.4.220.0200.07318.80
5.4.210.0230.06719.08
5.4.200.0200.05318.88
5.4.190.0200.07319.12
5.4.180.0270.06718.87
5.4.170.0300.03718.91
5.4.160.0230.07019.00
5.4.150.0230.07719.15
5.4.140.0270.06716.45
5.4.130.0230.05316.35
5.4.120.0230.07016.30
5.4.110.0330.04016.19
5.4.100.0230.04316.43
5.4.90.0200.07716.34
5.4.80.0230.06016.29
5.4.70.0200.05316.39
5.4.60.0130.07016.37
5.4.50.0200.06716.18
5.4.40.0270.06716.46
5.4.30.0230.04316.27
5.4.20.0170.04716.36
5.4.10.0200.03716.17
5.4.00.0200.06315.88
5.3.290.0200.05014.65
5.3.280.0270.06714.44
5.3.270.0230.05014.46
5.3.260.0330.03014.47
5.3.250.0200.07014.46
5.3.240.0330.03314.58
5.3.230.0330.06014.68
5.3.220.0300.04014.65
5.3.210.0270.07014.51
5.3.200.0230.04314.59
5.3.190.0400.03014.51
5.3.180.0200.07314.50
5.3.170.0230.06314.39
5.3.160.0200.07714.50
5.3.150.0330.06014.40
5.3.140.0230.07314.58
5.3.130.0230.05714.57
5.3.120.0130.06714.38
5.3.110.0230.04714.50
5.3.100.0270.07313.98
5.3.90.0270.06714.07
5.3.80.0130.05713.92
5.3.70.0200.04013.98
5.3.60.0270.04014.09
5.3.50.0270.05713.89
5.3.40.0230.06713.78
5.3.30.0230.06713.75
5.3.20.0230.07013.71
5.3.10.0300.04313.50
5.3.00.0330.05713.68
5.2.170.0130.05312.26
5.2.160.0230.05312.26
5.2.150.0270.05712.26
5.2.140.0200.05012.26
5.2.130.0230.05712.26
5.2.120.0130.04312.26
5.2.110.0230.05712.26
5.2.100.0170.03012.26
5.2.90.0170.05312.26
5.2.80.0170.03312.26
5.2.70.0270.02712.26
5.2.60.0230.05312.26
5.2.50.0170.04312.26
5.2.40.0200.03712.26
5.2.30.0300.05312.26
5.2.20.0200.04712.26
5.2.10.0200.04712.26
5.2.00.0130.04712.26
5.1.60.0200.03712.26
5.1.50.0130.06012.26
5.1.40.0100.05312.26
5.1.30.0130.04712.26
5.1.20.0200.03712.26
5.1.10.0200.05012.26
5.1.00.0170.04712.26
5.0.50.0070.04312.26
5.0.40.0100.02312.26
5.0.30.0100.06712.26
5.0.20.0130.02712.26
5.0.10.0100.03012.26
5.0.00.0100.06312.26
4.4.90.0100.03312.26
4.4.80.0100.03312.26
4.4.70.0130.03012.26
4.4.60.0100.03312.26
4.4.50.0070.03712.26
4.4.40.0070.05712.26
4.4.30.0130.03312.26
4.4.20.0100.01712.26
4.4.10.0100.02712.26
4.4.00.0070.05012.26
4.3.110.0100.01312.26
4.3.100.0070.03312.26
4.3.90.0070.03012.26
4.3.80.0070.03012.26
4.3.70.0070.02012.26
4.3.60.0070.01712.26
4.3.50.0100.02712.26
4.3.40.0130.04312.26
4.3.30.0070.02312.26
4.3.20.0070.03012.26
4.3.10.0030.03012.26
4.3.00.0030.03012.26

preferences:
42.03 ms | 400 KiB | 5 Q