3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('ttt' => 45);$s = 'lorem';var_dump(isset($a['ttt']), isset($s['ttt']), $a['ttt'], $s['ttt']);

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)
8.3.40.0040.01118.71
8.3.30.0070.00719.00
8.3.20.0000.00820.09
8.3.10.0080.00022.09
8.3.00.0080.00022.34
8.2.170.0070.00722.96
8.2.160.0140.00019.04
8.2.150.0000.00824.18
8.2.140.0030.00524.66
8.2.130.0080.00026.16
8.2.120.0050.00319.36
8.2.110.0070.00322.18
8.2.100.0090.00319.58
8.2.90.0030.00619.13
8.2.80.0040.00418.03
8.2.70.0030.00517.63
8.2.60.0060.00317.93
8.2.50.0050.00318.07
8.2.40.0060.00318.10
8.2.30.0000.00718.11
8.2.20.0070.00017.70
8.2.10.0040.00417.63
8.2.00.0050.00217.78
8.1.270.0060.00922.05
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00423.96
8.1.230.0060.00619.00
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0060.00317.23
8.1.190.0000.00817.42
8.1.180.0040.00418.74
8.1.170.0040.00418.64
8.1.160.0050.00322.12
8.1.150.0000.00718.48
8.1.140.0040.00417.29
8.1.130.0060.00317.79
8.1.120.0050.00217.41
8.1.110.0040.00417.37
8.1.100.0040.00417.29
8.1.90.0050.00217.38
8.1.80.0040.00417.31
8.1.70.0030.00317.34
8.1.60.0090.00017.50
8.1.50.0070.00017.50
8.1.40.0000.00717.48
8.1.30.0000.00817.52
8.1.20.0040.00417.61
8.1.10.0050.00317.44
8.1.00.0070.00017.48
8.0.300.0030.00318.77
8.0.290.0000.00817.15
8.0.280.0030.00318.28
8.0.270.0000.00717.18
8.0.260.0000.00816.70
8.0.250.0030.00316.92
8.0.240.0000.00816.94
8.0.230.0030.00316.84
8.0.220.0060.00016.75
8.0.210.0000.00716.94
8.0.200.0000.00616.96
8.0.190.0050.00216.83
8.0.180.0030.00316.86
8.0.170.0000.00816.89
8.0.160.0040.00416.77
8.0.150.0000.00816.70
8.0.140.0000.00716.79
8.0.130.0060.00013.28
8.0.120.0050.00316.78
8.0.110.0070.00016.82
8.0.100.0040.00416.79
8.0.90.0040.00416.86
8.0.80.0130.00616.91
8.0.70.0000.00717.00
8.0.60.0040.00416.71
8.0.50.0000.00816.95
8.0.30.0070.01017.00
8.0.20.0080.01017.40
8.0.10.0000.00816.82
8.0.00.0120.00616.67
7.4.330.0000.00515.00
7.4.320.0030.00316.36
7.4.300.0070.00016.45
7.4.290.0040.00416.53
7.4.280.0070.00416.41
7.4.270.0060.00016.45
7.4.260.0080.00013.18
7.4.250.0070.00016.32
7.4.240.0020.00516.55
7.4.230.0000.00616.23
7.4.220.0110.00616.38
7.4.210.0080.00916.44
7.4.200.0040.00416.27
7.4.190.0040.00416.62
7.4.160.0110.00716.34
7.4.150.0100.01017.40
7.4.140.0070.01117.86
7.4.130.0100.00716.49
7.4.120.0050.01216.43
7.4.110.0030.01316.39
7.4.100.0030.01416.34
7.4.90.0120.01216.39
7.4.80.0120.00819.39
7.4.70.0070.01316.36
7.4.60.0070.01016.26
7.4.50.0000.00716.63
7.4.40.0060.01222.77
7.4.30.0130.00316.23
7.4.00.0100.00314.73
7.3.330.0050.00013.16
7.3.320.0030.00313.04
7.3.310.0030.00616.15
7.3.300.0060.00016.20
7.3.290.0060.00916.33
7.3.280.0100.00916.30
7.3.270.0070.01017.40
7.3.260.0130.00516.24
7.3.250.0100.00816.19
7.3.240.0140.00316.35
7.3.230.0160.00716.53
7.3.210.0080.00816.30
7.3.200.0160.00319.39
7.3.190.0060.00916.20
7.3.180.0130.00316.36
7.3.170.0090.01316.41
7.3.160.0090.01216.30
7.3.120.0000.01414.78
7.2.330.0100.00716.68
7.2.320.0000.02016.41
7.2.310.0040.01416.54
7.2.300.0100.00616.23
7.2.290.0090.00616.67
7.2.00.0000.01419.20
7.1.100.0000.01218.00
7.1.70.0040.00417.09
7.1.60.0070.01819.82
7.1.50.0100.01417.05
7.1.00.0070.06722.27
7.0.200.0000.00716.46
7.0.140.0030.07022.03
7.0.70.4270.04720.14
7.0.60.0070.05719.89
7.0.50.0070.08017.90
7.0.40.0130.08720.07
7.0.30.0200.05320.12
7.0.20.0270.03720.33
7.0.10.0230.04020.20
7.0.00.0170.04020.16
5.6.280.0070.07020.77
5.6.210.0100.07320.53
5.6.200.0100.08018.16
5.6.190.0100.08020.38
5.6.180.0170.08020.46
5.6.170.0270.05020.51
5.6.160.0030.06320.52
5.6.150.0100.07718.19
5.6.140.0100.07718.10
5.6.130.0100.08318.21
5.6.120.0030.08020.86
5.6.110.0070.05721.04
5.6.100.0100.03721.03
5.6.90.0070.08320.96
5.6.80.0100.08020.42
5.6.70.0130.05020.39
5.5.350.0100.07720.46
5.5.340.0100.03717.91
5.5.330.0030.05720.21
5.5.320.0030.04020.09
5.5.310.0270.08020.24
5.5.300.0100.07018.00
5.5.290.0100.08018.02
5.5.280.0130.08020.87
5.5.270.0170.07320.96
5.5.260.0100.08020.75
5.5.250.0100.03320.68
5.5.240.0100.04320.35
5.4.450.0670.05319.52
5.4.440.0800.06719.11
5.4.430.0870.05319.08
5.4.420.1000.06319.41
5.4.410.0770.06019.37
5.4.400.0800.06019.28
5.4.390.0670.05319.32
5.4.380.0300.06018.61
5.4.370.0030.05018.46
5.4.360.0170.04018.49
5.4.350.0070.03811.97
5.4.340.0040.04111.97
5.4.320.0050.04112.45
5.4.310.0060.04312.45
5.4.300.0080.03912.45
5.4.290.0080.03912.45
5.4.280.0060.05112.32
5.4.270.0110.06612.32
5.4.260.0120.06212.32
5.4.250.0090.04812.32
5.4.240.0110.06912.32
5.4.230.0130.06212.31
5.4.220.0050.05912.31
5.4.210.0080.05612.31
5.4.200.0120.05412.31
5.4.190.0110.05012.31
5.4.180.0160.07612.30
5.4.170.0090.05712.32
5.4.160.0090.05012.32
5.4.150.0070.05912.31
5.4.140.0060.06911.99
5.4.130.0060.03911.98
5.4.120.0060.04511.94
5.4.110.0050.04411.94
5.4.100.0060.04311.94
5.4.90.0150.07011.94
5.4.80.0100.06611.93
5.4.70.0080.04711.93
5.4.60.0190.07411.93
5.4.50.0120.06611.93
5.4.40.0100.06911.92
5.4.30.0050.04311.92
5.4.20.0040.04311.91
5.4.10.0060.04111.92
5.4.00.0120.06211.41
5.3.290.0070.03812.80
5.3.280.0090.05512.71
5.3.270.0060.05012.72
5.3.260.0050.04912.72
5.3.250.0090.04012.72
5.3.240.0110.04612.72
5.3.230.0100.05012.71
5.3.220.0130.03912.68
5.3.210.0120.07412.68
5.3.200.0160.08012.68
5.3.190.0130.05812.67
5.3.180.0150.03712.68
5.3.170.0100.05512.67
5.3.160.0110.03912.67
5.3.150.0130.06612.67
5.3.140.0080.05712.66
5.3.130.0140.08412.66
5.3.120.0140.06212.66
5.3.110.0140.07112.66
5.3.100.0030.05812.12
5.3.90.0130.09712.08
5.3.80.0080.05012.07
5.3.70.0060.05212.08
5.3.60.0140.07112.06
5.3.50.0120.08212.00
5.3.40.0130.05712.00
5.3.30.0100.04711.94
5.3.20.0080.03711.70
5.3.10.0090.03911.66
5.3.00.0090.04311.66
5.2.170.0070.0429.15
5.2.160.0090.0349.15
5.2.150.0060.0369.15
5.2.140.0040.0389.15
5.2.130.0040.0339.11
5.2.120.0070.0339.11
5.2.110.0110.0369.12
5.2.100.0100.0299.11
5.2.90.0120.0509.11
5.2.80.0110.0789.11
5.2.70.0160.0699.11
5.2.60.0110.0599.06
5.2.50.0120.0589.03
5.2.40.0150.0619.01
5.2.30.0150.0728.98
5.2.20.0200.0748.96
5.2.10.0070.0458.89
5.2.00.0080.0348.76
5.1.60.0080.0288.05
5.1.50.0060.0398.05
5.1.40.0060.0378.03
5.1.30.0060.0298.37
5.1.20.0050.0488.40
5.1.10.0030.0518.12
5.1.00.0080.0598.12
5.0.50.0050.0326.60
5.0.40.0050.0236.46
5.0.30.0060.0426.27
5.0.20.0040.0206.24
5.0.10.0040.0196.22
5.0.00.0020.0326.21
4.4.90.0070.0204.78
4.4.80.0060.0214.76
4.4.70.0020.0204.76
4.4.60.0050.0164.76
4.4.50.0040.0184.77
4.4.40.0040.0314.71
4.4.30.0020.0224.76
4.4.20.0000.0234.85
4.4.10.0040.0194.85
4.4.00.0050.0304.76
4.3.110.0090.0324.67
4.3.100.0070.0384.67
4.3.90.0040.0184.63
4.3.80.0050.0334.58
4.3.70.0070.0274.63
4.3.60.0050.0214.62
4.3.50.0030.0234.63
4.3.40.0070.0304.54
4.3.30.0020.0233.27
4.3.20.0040.0303.26
4.3.10.0020.0373.21
4.3.00.0070.0277.27

preferences:
47.68 ms | 400 KiB | 5 Q