3v4l.org

run code in 300+ PHP versions simultaneously
<?php $d = new \stdClass(); $d->asdf = new \stdClass(); var_dump(empty($d->asd)); var_dump(isset($d->asdf[0]));

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)
8.3.60.0070.00718.56
8.3.50.0130.00621.08
8.3.40.0040.01118.79
8.3.30.0110.00418.59
8.3.20.0080.00018.73
8.3.10.0040.00420.69
8.3.00.0080.00023.38
8.2.180.0150.00416.63
8.2.170.0120.00322.96
8.2.160.0030.01020.55
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0030.00519.63
8.2.110.0030.00722.20
8.2.100.0090.00317.78
8.2.90.0040.00419.05
8.2.80.0000.00817.97
8.2.70.0050.00317.75
8.2.60.0000.00817.80
8.2.50.0050.00318.07
8.2.40.0050.00318.22
8.2.30.0000.00719.84
8.2.20.0040.00417.60
8.2.10.0040.00417.66
8.2.00.0040.00417.65
8.1.280.0110.01125.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00622.41
8.1.230.0040.00720.88
8.1.220.0050.00318.77
8.1.210.0050.00318.77
8.1.200.0060.00317.23
8.1.190.0040.00417.40
8.1.180.0030.00518.10
8.1.170.0000.00918.81
8.1.160.0070.00018.75
8.1.150.0040.00418.49
8.1.140.0000.00717.29
8.1.130.0030.00317.89
8.1.120.0070.00017.32
8.1.110.0000.00717.47
8.1.100.0030.00317.32
8.1.90.0080.00017.29
8.1.80.0040.00417.34
8.1.70.0000.00817.39
8.1.60.0040.00417.41
8.1.50.0040.00417.53
8.1.40.0080.00017.56
8.1.30.0050.00317.48
8.1.20.0060.00617.50
8.1.10.0080.00017.47
8.1.00.0050.00217.55
8.0.300.0040.00419.98
8.0.290.0040.00416.75
8.0.280.0000.00718.30
8.0.270.0080.00017.11
8.0.260.0000.00716.83
8.0.250.0050.00316.98
8.0.240.0050.00516.80
8.0.230.0030.00316.89
8.0.220.0040.00416.93
8.0.210.0030.00316.88
8.0.200.0050.00516.84
8.0.190.0000.00816.96
8.0.180.0000.00716.85
8.0.170.0040.00416.79
8.0.160.0000.01116.91
8.0.150.0040.00416.82
8.0.140.0040.00816.84
8.0.130.0030.00313.28
8.0.120.0040.00416.77
8.0.110.0050.00316.77
8.0.100.0000.00716.96
8.0.90.0000.00716.81
8.0.80.0120.00316.78
8.0.70.0040.00416.75
8.0.60.0000.00816.96
8.0.50.0040.00416.91
8.0.30.0090.00917.09
8.0.20.0080.01217.40
8.0.10.0070.00017.02
8.0.00.0100.00816.73
7.4.330.0000.00514.84
7.4.320.0070.00016.55
7.4.300.0000.00816.40
7.4.290.0030.00316.50
7.4.280.0060.00316.60
7.4.270.0030.00316.65
7.4.260.0030.00313.30
7.4.250.0000.00816.51
7.4.240.0050.00316.53
7.4.230.0000.00716.63
7.4.220.0170.00716.66
7.4.210.0090.00816.64
7.4.200.0030.00316.62
7.4.190.0030.00316.74
7.4.160.0060.00916.60
7.4.150.0070.01017.40
7.4.140.0110.00917.86
7.4.130.0060.01116.55
7.4.120.0110.00616.47
7.4.110.0070.01016.70
7.4.100.0080.00916.64
7.4.90.0160.00316.44
7.4.80.0090.01319.04
7.4.70.0110.00816.56
7.4.60.0100.00716.40
7.4.50.0040.00416.66
7.4.40.0000.01222.27
7.4.30.0140.00316.55
7.4.00.0060.00914.68
7.3.330.0050.00013.07
7.3.320.0000.00513.09
7.3.310.0040.00416.43
7.3.300.0070.00016.37
7.3.290.0100.00316.36
7.3.280.0070.01116.32
7.3.270.0070.01117.40
7.3.260.0090.01118.24
7.3.250.0060.01116.35
7.3.240.0130.00316.46
7.3.230.0070.01016.55
7.3.210.0100.00716.55
7.3.200.0030.01319.39
7.3.190.0130.00716.32
7.3.180.0130.00316.50
7.3.170.0080.00816.55
7.3.160.0160.00716.33
7.3.120.0070.00714.97
7.3.10.0070.00716.78
7.3.00.0040.00816.82
7.2.330.0090.00916.63
7.2.320.0030.01316.55
7.2.310.0150.00416.37
7.2.300.0110.00816.61
7.2.290.0060.01616.54
7.2.130.0030.00716.70
7.2.120.0110.00416.81
7.2.110.0080.00417.05
7.2.100.0090.00417.09
7.2.90.0040.01116.97
7.2.80.0130.00316.75
7.2.70.0060.00916.98
7.2.60.0060.01116.88
7.2.50.0000.01116.66
7.2.40.0070.00316.74
7.2.30.0060.00616.80
7.2.20.0000.01416.83
7.2.10.0040.00817.12
7.2.00.0050.01018.13
7.1.250.0000.00815.73
7.1.200.0110.00015.50
7.1.100.0030.01318.01
7.1.70.0030.00616.75
7.1.60.0070.01419.40
7.1.50.0090.01216.89
7.1.00.0100.05022.27
7.0.200.0000.00916.70
7.0.140.0030.07021.92
7.0.60.0070.05319.78
7.0.50.0030.07717.90
7.0.40.0030.04320.24
7.0.30.0270.05020.16
7.0.20.0130.04720.16
7.0.10.0200.05320.30
7.0.00.0070.08320.20
5.6.280.0170.06021.06
5.6.210.0100.05720.61
5.6.200.0170.07318.19
5.6.190.0070.05320.42
5.6.180.0330.04720.75
5.6.170.0230.06020.52
5.6.160.0030.04020.33
5.6.150.0070.06318.18
5.6.140.0070.08018.14
5.6.130.0030.05018.07
5.6.120.0100.07021.02
5.6.110.0070.08320.98
5.6.100.0070.04720.98
5.6.90.0130.08020.88
5.6.80.0000.04320.38
5.6.70.0370.06320.37
5.5.350.0070.04020.38
5.5.340.0100.08317.96
5.5.330.0070.07020.40
5.5.320.0330.03020.27
5.5.310.0170.05320.26
5.5.300.0000.04017.96
5.5.290.0070.08018.00
5.5.280.0070.07020.84
5.5.270.0000.04720.72
5.5.260.0030.06020.82
5.5.250.0030.08720.50
5.5.240.0130.05320.19
5.4.450.0100.03719.08
5.4.440.0000.04719.11
5.4.430.0030.04019.11
5.4.420.0130.04319.50
5.4.410.0000.04719.27
5.4.400.0170.04319.09
5.4.390.0100.07319.18
5.4.380.0070.05019.08
5.4.370.0070.06319.00
5.4.360.0070.03718.79
5.4.350.0100.05318.79
5.4.340.0030.07718.97
5.4.320.0130.07019.20
5.4.310.0130.04318.92
5.4.300.0100.07019.08
5.4.290.0070.07719.14
5.4.280.0030.04718.78
5.4.270.0070.07319.15
5.4.260.0200.06319.11
5.4.250.0100.05019.12
5.4.240.0030.07319.13
5.4.230.0070.04319.19
5.4.220.0070.05719.17
5.4.210.0270.05719.13
5.4.200.0100.05019.14
5.4.190.0100.03719.07
5.4.180.0100.06719.15
5.4.170.0030.08019.13
5.4.160.0070.03719.06
5.4.150.0000.07319.09
5.4.140.0000.06316.26
5.4.130.0000.08016.48
5.4.120.0030.07716.21
5.4.110.0100.05016.27
5.4.100.0070.04316.61
5.4.90.0030.04016.40
5.4.80.0100.04716.39
5.4.70.0030.05316.26
5.4.60.0030.06716.34
5.4.50.0070.06716.38
5.4.40.0070.05016.36
5.4.30.0100.05016.13
5.4.20.0070.06316.33
5.4.10.0030.04316.25
5.4.00.0100.07715.78
5.3.290.0130.07314.45
5.3.280.0030.06314.52
5.3.270.0100.07314.39
5.3.260.0130.07014.55
5.3.250.0030.04314.42
5.3.240.0070.07314.48
5.3.230.0030.05314.50
5.3.220.0130.04314.49
5.3.210.0070.07714.48
5.3.200.0030.07314.35
5.3.190.0030.04314.52
5.3.180.0130.06714.53
5.3.170.0100.04714.50
5.3.160.0000.05014.51
5.3.150.0130.07314.50
5.3.140.0030.07714.48
5.3.130.0100.07714.49
5.3.120.0070.07714.46
5.3.110.0100.07714.52
5.3.100.0070.06313.96
5.3.90.0030.04313.94
5.3.80.0070.03313.85
5.3.70.0030.03713.83
5.3.60.0070.04713.89
5.3.50.0070.04014.03
5.3.40.0130.06713.96
5.3.30.0030.05714.00
5.3.20.0070.07013.63
5.3.10.0000.04013.61
5.3.00.0130.05713.59
5.2.170.0030.03311.23
5.2.160.0070.05711.13
5.2.150.0030.05011.13
5.2.140.0000.04011.03
5.2.130.0030.05711.05
5.2.120.0130.05011.00
5.2.110.0030.06311.04
5.2.100.0070.06011.18
5.2.90.0100.06011.00
5.2.80.0030.06011.03
5.2.70.0070.06310.95
5.2.60.0070.06010.98
5.2.50.0000.04710.91
5.2.40.0030.06310.98
5.2.30.0070.06010.90
5.2.20.0100.06010.89
5.2.10.0070.06010.91
5.2.00.0100.05310.79
5.1.60.0000.04010.09
5.1.50.0000.0479.99
5.1.40.0000.0379.97
5.1.30.0070.05310.19
5.1.20.0030.02710.34
5.1.10.0100.05310.06
5.1.00.0000.0409.96
5.0.50.0070.0238.54
5.0.40.0030.0478.39
5.0.30.0030.0578.23
5.0.20.0100.0278.20
5.0.10.0000.0308.19
5.0.00.0000.0538.31
4.4.90.0000.0407.86
4.4.80.0030.0277.86
4.4.70.0030.0377.86
4.4.60.0070.0207.86
4.4.50.0030.0337.86
4.4.40.0030.0537.86
4.4.30.0000.0437.86
4.4.20.0030.0237.86
4.4.10.0000.0237.86
4.4.00.0070.0507.86
4.3.110.0030.0377.86
4.3.100.0030.0337.86
4.3.90.0030.0307.86
4.3.80.0070.0337.86
4.3.70.0030.0307.86
4.3.60.0000.0277.86
4.3.50.0000.0377.86
4.3.40.0000.0507.86
4.3.30.0000.0337.86
4.3.20.0000.0307.86
4.3.10.0000.0307.86
4.3.00.0030.0337.86

preferences:
46.81 ms | 401 KiB | 5 Q