3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=array('uno'=>1, 'dos'=>2); $a['tres']=null; echo $a['tres'];

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)
8.3.40.0110.00718.67
8.3.30.0110.00319.04
8.3.20.0050.00320.32
8.3.10.0030.00623.66
8.3.00.0000.00820.52
8.2.170.0140.00022.96
8.2.160.0110.00722.20
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0080.00021.00
8.2.110.0090.00022.13
8.2.100.0040.00717.47
8.2.90.0000.00919.34
8.2.80.0000.00917.97
8.2.70.0100.00017.50
8.2.60.0000.01218.04
8.2.50.0030.00618.07
8.2.40.0040.00418.12
8.2.30.0000.00818.02
8.2.20.0040.00417.75
8.2.10.0040.00417.58
8.2.00.0040.00417.65
8.1.270.0000.00823.83
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00323.91
8.1.230.0110.00019.05
8.1.220.0000.00817.76
8.1.210.0030.00518.77
8.1.200.0030.00617.35
8.1.190.0030.00517.53
8.1.180.0000.00818.10
8.1.170.0000.00918.65
8.1.160.0000.00821.89
8.1.150.0040.00318.57
8.1.140.0000.00817.29
8.1.130.0030.00317.86
8.1.120.0030.00317.41
8.1.110.0040.00417.27
8.1.100.0030.00717.25
8.1.90.0040.00417.36
8.1.80.0000.00717.34
8.1.70.0030.00317.32
8.1.60.0090.00017.56
8.1.50.0060.00317.40
8.1.40.0040.00417.44
8.1.30.0000.00817.53
8.1.20.0040.00417.59
8.1.10.0040.00417.55
8.1.00.0040.00417.50
8.0.300.0040.00418.77
8.0.290.0000.00817.04
8.0.280.0030.00318.45
8.0.270.0000.00717.18
8.0.260.0000.00616.80
8.0.250.0030.00316.90
8.0.240.0050.00316.87
8.0.230.0020.00516.76
8.0.220.0030.00316.75
8.0.210.0040.00416.77
8.0.200.0060.00016.91
8.0.190.0030.00616.91
8.0.180.0000.00716.83
8.0.170.0000.00816.86
8.0.160.0000.00716.93
8.0.150.0030.00316.73
8.0.140.0040.00416.76
8.0.130.0000.00613.18
8.0.120.0040.00416.80
8.0.110.0030.00516.77
8.0.100.0040.00416.72
8.0.90.0000.00816.79
8.0.80.0080.00816.72
8.0.70.0040.00316.78
8.0.60.0000.00716.86
8.0.50.0060.00316.69
8.0.30.0110.00716.88
8.0.20.0100.00717.40
8.0.10.0000.00716.79
8.0.00.0040.01416.63
7.4.330.0000.00615.00
7.4.320.0030.00316.46
7.4.300.0000.00616.56
7.4.290.0030.00316.45
7.4.280.0030.00316.38
7.4.270.0030.00316.57
7.4.260.0040.00416.35
7.4.250.0040.00416.48
7.4.240.0030.00416.41
7.4.230.0040.00416.34
7.4.220.0060.01216.51
7.4.210.0050.00916.41
7.4.200.0030.00316.53
7.4.190.0070.00016.40
7.4.160.0070.01716.43
7.4.150.0070.01017.40
7.4.140.0100.01017.86
7.4.130.0080.00816.42
7.4.120.0110.00816.61
7.4.110.0040.01316.35
7.4.100.0060.00916.52
7.4.90.0070.01116.55
7.4.80.0030.01716.55
7.4.70.0080.00816.46
7.4.60.0090.00616.45
7.4.50.0000.00616.33
7.4.40.0040.01222.77
7.4.30.0090.00616.39
7.4.00.0100.00315.08
7.3.330.0000.00713.04
7.3.320.0050.00012.93
7.3.310.0000.00815.99
7.3.300.0000.00616.23
7.3.290.0100.00616.27
7.3.280.0060.00916.25
7.3.270.0040.01217.40
7.3.260.0070.01116.54
7.3.250.0090.00916.31
7.3.240.0060.00916.46
7.3.230.0140.00316.39
7.3.210.0130.00716.44
7.3.200.0110.00919.39
7.3.190.0100.00616.26
7.3.180.0090.00616.12
7.3.170.0120.00416.27
7.3.160.0120.00316.11
7.3.120.0060.00914.62
7.2.330.0090.00816.29
7.2.320.0150.00316.54
7.2.310.0070.01016.56
7.2.300.0110.00716.73
7.2.290.0060.00916.80
7.2.60.0100.01016.29
7.2.00.0210.00519.12
7.1.200.0040.00815.61
7.1.100.0060.00618.25
7.1.70.0040.00817.07
7.1.60.0100.01419.32
7.1.50.0060.01616.71
7.1.00.0100.07022.35
7.0.200.0080.00416.79
7.0.140.0070.06722.00
7.0.100.0170.05320.02
7.0.90.0030.07719.98
7.0.80.0030.06719.95
7.0.70.0030.03719.91
7.0.60.0000.04719.97
7.0.50.0000.04320.24
7.0.40.0030.04320.04
7.0.30.0030.08020.07
7.0.20.0070.08720.09
7.0.10.0070.08020.04
7.0.00.0100.08020.12
5.6.280.0000.07720.88
5.6.250.0030.04020.57
5.6.240.0030.04320.54
5.6.230.0030.04020.63
5.6.220.0100.03320.59
5.6.210.0000.04320.77
5.6.200.0070.04020.95
5.6.190.0000.04320.94
5.6.180.0000.05720.95
5.6.170.0030.08721.13
5.6.160.0130.07021.10
5.6.150.0130.07321.00
5.6.140.0130.07721.10
5.6.130.0130.06321.07
5.6.120.0070.08720.93
5.6.110.0070.07721.01
5.6.100.0070.07021.00
5.6.90.0130.07021.11
5.6.80.0300.06720.49
5.6.70.0100.07720.45
5.6.60.0200.04020.41
5.6.50.0030.08320.38
5.6.40.0100.07720.28
5.6.30.0130.07720.41
5.6.20.0030.07720.37
5.6.10.0100.07320.36
5.6.00.0100.07320.29
5.5.380.0070.03320.50
5.5.370.0070.03320.43
5.5.360.0070.03720.53
5.5.350.0070.05020.41
5.5.340.0000.05020.86
5.5.330.0130.03020.86
5.5.320.0070.04320.75
5.5.310.0030.09020.78
5.5.300.0070.07720.82
5.5.290.0100.07720.78
5.5.280.0170.05320.79
5.5.270.0000.09020.87
5.5.260.0000.07020.74
5.5.250.0030.05720.68
5.5.240.0170.07020.24
5.5.230.0070.08020.29
5.5.220.0000.08020.01
5.5.210.0100.07720.29
5.5.200.0000.06719.95
5.5.190.0030.07320.07
5.5.180.0070.08020.13
5.5.160.0070.07720.27
5.5.150.0030.06720.06
5.5.140.0030.08020.24
5.5.130.0100.08019.96
5.5.120.0100.07320.11
5.5.110.0030.07020.24
5.5.100.0070.08020.07
5.5.90.0070.05320.03
5.5.80.0000.07019.96
5.5.70.0030.07720.14
5.5.60.0070.07720.02
5.5.50.0100.05720.13
5.5.40.0130.07720.14
5.5.30.0130.03719.92
5.5.20.0070.06720.07
5.5.10.0100.08020.05
5.5.00.0030.07720.09
5.4.450.0030.08319.49
5.4.440.0030.08019.47
5.4.430.0100.05019.55
5.4.420.0170.06719.42
5.4.410.0070.07719.38
5.4.400.0100.07018.95
5.4.390.0100.07719.04
5.4.380.0170.06719.10
5.4.370.0100.07018.96
5.4.360.0100.07718.79
5.4.350.0100.07019.03
5.4.340.0030.07319.08
5.4.320.0070.05718.90
5.4.310.0170.06719.15
5.4.300.0030.08319.10
5.4.290.0030.07318.80
5.4.280.0130.07019.13
5.4.270.0070.07019.13
5.4.260.0100.06718.98
5.4.250.0170.06319.13
5.4.240.0130.07018.96
5.4.230.0100.07319.11
5.4.220.0000.07319.07
5.4.210.0030.07718.95
5.4.200.0030.07718.97
5.4.190.0070.07318.89
5.4.180.0030.07018.89
5.4.170.0030.08019.22
5.4.160.0100.07019.10
5.4.150.0100.07718.96
5.4.140.0030.07716.35
5.4.130.0030.04716.36
5.4.120.0070.06016.21
5.4.110.0030.07716.35
5.4.100.0130.05316.34
5.4.90.0030.07716.30
5.4.80.0030.06716.25
5.4.70.0030.04316.39
5.4.60.0030.07316.29
5.4.50.0070.06016.36
5.4.40.0070.07316.23
5.4.30.0100.05716.36
5.4.20.0030.07016.31
5.4.10.0100.07016.27
5.4.00.0030.07715.81
5.3.290.0100.06314.62
5.3.280.0070.05014.57
5.3.270.0000.07714.61
5.3.260.0130.04714.59
5.3.250.0130.06314.58
5.3.240.0130.06314.61
5.3.230.0100.05314.59
5.3.220.0030.06714.55
5.3.210.0030.06314.42
5.3.200.0030.08014.55
5.3.190.0070.07314.38
5.3.180.0130.06714.54
5.3.170.0070.07714.38
5.3.160.0070.06314.42
5.3.150.0030.04714.54
5.3.140.0000.05314.46
5.3.130.0070.07314.45
5.3.120.0070.08014.40
5.3.110.0000.05714.37
5.3.100.0070.07313.88
5.3.90.0100.06013.93
5.3.80.0030.07313.87
5.3.70.0070.06713.90
5.3.60.0070.07713.96
5.3.50.0070.07713.94
5.3.40.0100.07313.86
5.3.30.0100.06313.86
5.3.20.0170.06013.83
5.3.10.0000.05313.83
5.3.00.0100.06713.83
5.2.170.0030.03713.83
5.2.160.0000.06013.83
5.2.150.0030.06313.83
5.2.140.0130.05313.83
5.2.130.0100.05713.83
5.2.120.0030.05313.83
5.2.110.0100.06013.83
5.2.100.0030.06313.83
5.2.90.0030.06013.83
5.2.80.0070.06013.83
5.2.70.0100.05713.83
5.2.60.0070.05313.83
5.2.50.0100.05313.83
5.2.40.0070.05713.83
5.2.30.0070.06013.83
5.2.20.0070.05013.83
5.2.10.0000.05713.83
5.2.00.0000.06313.83
5.1.60.0000.05713.83
5.1.50.0000.06013.83
5.1.40.0000.05313.83
5.1.30.0130.04013.83
5.1.20.0030.05313.83
5.1.10.0000.06013.83
5.1.00.0000.06013.83
5.0.50.0000.04713.83
5.0.40.0130.03713.83
5.0.30.0030.06313.83
5.0.20.0070.04013.83
5.0.10.0070.04013.83
5.0.00.0000.06313.83
4.4.90.0030.03313.83
4.4.80.0000.03713.83
4.4.70.0030.02013.83
4.4.60.0030.03313.83
4.4.50.0030.02713.83
4.4.40.0000.05313.83
4.4.30.0030.03713.83
4.4.20.0030.03013.83
4.4.10.0000.02713.83
4.4.00.0000.05713.83
4.3.110.0030.03713.83
4.3.100.0030.03313.83
4.3.90.0000.03313.83
4.3.80.0030.05313.83
4.3.70.0000.03713.83
4.3.60.0030.03313.83
4.3.50.0000.03713.83
4.3.40.0030.02313.83
4.3.30.0030.03713.83
4.3.20.0000.03713.83
4.3.10.0000.02013.83
4.3.00.0070.03013.83

preferences:
41.99 ms | 400 KiB | 5 Q