3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = 123; var_dump(isset($var['waa']), $var['waa']);

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)
8.3.60.0110.00416.63
8.3.50.0200.00821.99
8.3.40.0100.01018.82
8.3.30.0070.00718.91
8.3.20.0070.00020.22
8.3.10.0000.00723.62
8.3.00.0080.00019.18
8.2.180.0080.01116.63
8.2.170.0040.01122.96
8.2.160.0130.00720.47
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0070.00026.16
8.2.120.0040.00420.76
8.2.110.0060.00322.20
8.2.100.0040.00817.97
8.2.90.0050.00219.17
8.2.80.0050.00317.97
8.2.70.0080.00017.46
8.2.60.0050.00318.04
8.2.50.0060.00318.07
8.2.40.0000.00821.25
8.2.30.0040.00418.13
8.2.20.0070.00017.69
8.2.10.0070.00017.91
8.2.00.0040.00417.56
8.1.280.0110.00325.92
8.1.270.0040.00423.91
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0030.00623.82
8.1.230.0050.00519.07
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0070.00317.23
8.1.190.0050.00317.23
8.1.180.0090.00018.10
8.1.170.0000.00818.46
8.1.160.0040.00421.86
8.1.150.0000.00818.48
8.1.140.0040.00417.46
8.1.130.0000.00717.71
8.1.120.0000.00717.41
8.1.110.0000.00817.28
8.1.100.0040.00417.35
8.1.90.0060.00617.29
8.1.80.0030.00617.29
8.1.70.0040.00717.36
8.1.60.0000.00817.51
8.1.50.0040.00417.46
8.1.40.0050.00317.50
8.1.30.0000.00817.62
8.1.20.0030.00517.69
8.1.10.0070.00017.62
8.1.00.0070.00017.52
8.0.300.0000.00718.77
8.0.290.0050.00217.05
8.0.280.0070.00018.39
8.0.270.0060.00317.20
8.0.260.0030.00317.14
8.0.250.0030.00316.90
8.0.240.0000.00816.98
8.0.230.0030.00317.02
8.0.220.0030.00316.86
8.0.210.0030.00316.89
8.0.200.0000.00616.96
8.0.190.0030.00316.98
8.0.180.0060.00316.82
8.0.170.0030.00316.82
8.0.160.0040.00416.80
8.0.150.0040.00316.84
8.0.140.0040.00416.89
8.0.130.0050.00013.33
8.0.120.0000.00816.87
8.0.110.0000.00816.84
8.0.100.0000.00716.77
8.0.90.0050.00317.01
8.0.80.0100.00616.93
8.0.70.0040.00417.01
8.0.60.0040.00416.93
8.0.50.0000.00816.81
8.0.30.0090.00917.10
8.0.20.0110.00917.40
8.0.10.0040.00417.06
8.0.00.0060.01316.86
7.4.330.0060.00015.00
7.4.320.0000.00616.31
7.4.300.0000.00616.46
7.4.290.0070.00016.44
7.4.280.0070.00016.33
7.4.270.0040.00416.52
7.4.260.0000.00716.29
7.4.250.0030.00516.31
7.4.240.0020.00616.41
7.4.230.0000.00716.24
7.4.220.0070.01816.45
7.4.210.0050.01116.48
7.4.200.0020.00516.61
7.4.190.0050.00316.63
7.4.160.0050.01016.46
7.4.150.0040.01417.40
7.4.140.0070.01017.86
7.4.130.0140.00516.51
7.4.120.0090.00816.48
7.4.110.0130.01016.37
7.4.100.0060.01216.30
7.4.90.0070.01016.52
7.4.80.0100.00719.39
7.4.70.0090.00616.53
7.4.60.0100.00716.43
7.4.50.0040.00016.61
7.4.40.0070.01116.58
7.4.30.0120.00416.36
7.4.00.0070.00315.15
7.3.330.0000.00513.16
7.3.320.0000.00713.11
7.3.310.0030.00316.29
7.3.300.0000.00716.31
7.3.290.0100.00316.38
7.3.280.0080.01216.28
7.3.270.0150.00417.40
7.3.260.0160.00716.46
7.3.250.0120.00916.31
7.3.240.0160.00616.25
7.3.230.0130.00716.39
7.3.210.0090.00916.26
7.3.200.0100.01319.39
7.3.190.0090.01216.63
7.3.180.0130.00316.43
7.3.170.0060.01016.49
7.3.160.0060.01016.16
7.3.120.0110.00314.82
7.3.10.0180.00216.53
7.3.00.0170.00316.52
7.2.330.0090.01316.71
7.2.320.0070.01116.36
7.2.310.0040.01316.57
7.2.300.0090.01316.64
7.2.290.0060.01116.72
7.2.130.0180.00516.81
7.2.120.0170.00716.62
7.2.110.0160.00316.68
7.2.100.0110.01716.58
7.2.90.0120.00916.68
7.2.80.0130.01016.82
7.2.70.0130.01016.64
7.2.60.0100.01316.67
7.2.50.0130.01316.69
7.2.40.0160.00816.75
7.2.30.0160.00316.50
7.2.20.0150.00916.93
7.2.10.0140.00416.77
7.2.00.0070.01018.04
7.1.250.0160.00315.50
7.1.100.0060.00618.08
7.1.70.0060.00316.93
7.1.60.0070.01719.46
7.1.50.0150.00616.86
7.1.00.0100.07022.40
7.0.200.0000.00816.86
7.0.140.0030.07321.92
7.0.60.0230.05319.82
7.0.50.0000.04717.79
7.0.40.0100.06019.98
7.0.30.0100.08020.19
7.0.20.0100.09019.96
7.0.10.0100.05320.04
7.0.00.0030.05320.13
5.6.210.0130.06020.54
5.6.200.0070.07018.21
5.6.190.0030.09320.41
5.6.180.0000.07020.57
5.6.170.0100.07020.41
5.6.160.0070.04320.40
5.6.150.0070.04020.10
5.6.140.0000.04720.40
5.6.130.0030.04320.38
5.6.120.0000.09320.27
5.6.110.0030.04320.42
5.6.100.0130.07720.39
5.6.90.0070.06020.38
5.6.80.0130.07719.79
5.6.70.0170.07319.71
5.6.60.0070.04019.74
5.6.50.0070.09019.55
5.6.40.0030.05319.73
5.6.30.0070.08319.79
5.6.20.0070.07719.73
5.6.10.0170.06719.63
5.6.00.0130.07319.48
5.5.350.0000.08720.52
5.5.340.0100.07717.91
5.5.330.0100.08020.13
5.5.320.0100.04020.37
5.5.310.0000.05020.47
5.5.300.0100.08020.13
5.5.290.0070.07319.93
5.5.280.0100.08320.18
5.5.270.0100.03720.22
5.5.260.0170.06720.15
5.5.250.0100.08320.02
5.5.240.0030.08019.50
5.5.230.0070.06019.30
5.5.220.0070.04719.28
5.5.210.0100.07719.49
5.5.200.0100.05019.48
5.5.190.0030.08719.52
5.5.180.0100.07019.32
5.5.160.0130.04019.52
5.5.150.0070.08319.52
5.5.140.0070.08019.46
5.5.130.0070.08019.51
5.5.120.0130.07319.25
5.5.110.0030.09019.32
5.5.100.0070.04719.49
5.5.90.0170.05719.15
5.5.80.0130.06019.48
5.5.70.0030.07719.47
5.5.60.0030.05019.18
5.5.50.0030.04019.50
5.5.40.0130.06719.30
5.5.30.0200.06719.40
5.5.20.0100.04719.25
5.5.10.0000.08019.25
5.5.00.0070.04319.30
5.4.450.0030.04319.44
5.4.440.0200.07019.44
5.4.430.0100.06719.40
5.4.420.0130.07019.52
5.4.410.0030.08019.28
5.4.400.0070.05719.14
5.4.390.0030.08019.16
5.4.380.0100.06719.15
5.4.370.0030.03719.14
5.4.360.0030.05719.17
5.4.350.0100.07018.92
5.4.340.0100.07018.79
5.4.320.0100.07019.18
5.4.310.0200.05019.08
5.4.300.0130.07018.79
5.4.290.0000.05319.21
5.4.280.0070.05319.17
5.4.270.0070.07319.08
5.4.260.0100.07018.92
5.4.250.0070.08019.04
5.4.240.0070.07019.11
5.4.230.0070.07719.10
5.4.220.0100.03719.13
5.4.210.0030.03719.17
5.4.200.0030.04019.14
5.4.190.0170.05319.07
5.4.180.0070.07318.79
5.4.170.0070.05718.91
5.4.160.0100.04019.01
5.4.150.0070.04319.19
5.4.140.0030.04016.25
5.4.130.0100.06716.33
5.4.120.0030.04716.37
5.4.110.0000.05316.39
5.4.100.0130.04716.26
5.4.90.0070.04316.61
5.4.80.0070.07316.29
5.4.70.0130.06716.35
5.4.60.0000.06316.33
5.4.50.0000.08016.30
5.4.40.0030.06716.29
5.4.30.0070.04716.23
5.4.20.0030.04316.39
5.4.10.0000.04316.33
5.4.00.0000.07715.77
5.3.290.0030.08714.60
5.3.280.0070.04714.53
5.3.270.0000.08014.39
5.3.260.0030.04714.57
5.3.250.0070.07314.42
5.3.240.0030.07714.50
5.3.230.0070.06314.53
5.3.220.0000.07714.49
5.3.210.0030.04314.49
5.3.200.0030.06714.58
5.3.190.0070.03714.50
5.3.180.0000.08014.48
5.3.170.0030.07314.52
5.3.160.0030.06714.52
5.3.150.0070.05714.49
5.3.140.0000.04714.53
5.3.130.0000.06314.42
5.3.120.0030.06014.48
5.3.110.0070.05714.47
5.3.100.0130.04314.00
5.3.90.0070.05714.11
5.3.80.0070.07013.95
5.3.70.0130.04013.95
5.3.60.0030.05014.09
5.3.50.0070.04013.88
5.3.40.0030.04713.86
5.3.30.0100.05014.00
5.3.20.0070.07313.63
5.3.10.0030.06713.61
5.3.00.0030.06313.60
5.2.170.0070.06711.02
5.2.160.0100.05011.02
5.2.150.0130.05311.00
5.2.140.0070.06311.10
5.2.130.0000.07011.18
5.2.120.0000.06011.08
5.2.110.0100.05711.04
5.2.100.0030.04311.25
5.2.90.0030.06010.99
5.2.80.0100.03711.07
5.2.70.0030.06311.07
5.2.60.0000.05011.02
5.2.50.0000.03010.94
5.2.40.0030.02710.97
5.2.30.0130.05310.97
5.2.20.0000.06710.85
5.2.10.0030.05010.91
5.2.00.0070.06010.71
5.1.60.0070.0409.98
5.1.50.0100.0509.93
5.1.40.0070.0509.96
5.1.30.0000.06310.32
5.1.20.0000.06310.38
5.1.10.0030.0439.91
5.1.00.0030.04010.05
5.0.50.0030.0378.38
5.0.40.0070.0378.38
5.0.30.0000.0438.06
5.0.20.0070.0408.14
5.0.10.0070.0438.13
5.0.00.0000.0478.29
4.4.90.0000.0277.00
4.4.80.0030.0177.00
4.4.70.0000.0337.00
4.4.60.0000.0407.00
4.4.50.0000.0407.00
4.4.40.0030.0577.00
4.4.30.0030.0307.00
4.4.20.0000.0377.00
4.4.10.0030.0377.00
4.4.00.0000.0577.00
4.3.110.0070.0277.00
4.3.100.0000.0177.00
4.3.90.0030.0277.00
4.3.80.0070.0537.00
4.3.70.0030.0307.00
4.3.60.0000.0377.00
4.3.50.0000.0377.00
4.3.40.0000.0537.00
4.3.30.0000.0377.00
4.3.20.0030.0207.00
4.3.10.0000.0177.00
4.3.00.0000.0137.00

preferences:
37.92 ms | 401 KiB | 5 Q