3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(0=>'A', 1=>'B'); unset($arr[2]); ?>

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)
8.3.40.0140.00018.67
8.3.30.0060.01018.92
8.3.20.0000.00720.30
8.3.10.0070.00023.52
8.3.00.0050.00320.84
8.2.170.0150.00322.96
8.2.160.0040.01120.57
8.2.150.0060.00324.18
8.2.140.0000.00824.66
8.2.130.0090.00626.16
8.2.120.0050.00322.28
8.2.110.0060.00322.37
8.2.100.0040.00817.54
8.2.90.0050.00219.14
8.2.80.0000.00917.97
8.2.70.0000.00817.50
8.2.60.0080.00017.93
8.2.50.0040.00418.07
8.2.40.0040.00418.34
8.2.30.0050.00218.11
8.2.20.0040.00417.53
8.2.10.0040.00417.72
8.2.00.0000.00717.48
8.1.270.0000.00923.78
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0100.00023.63
8.1.230.0080.00619.01
8.1.220.0030.00517.74
8.1.210.0000.00818.77
8.1.200.0060.00317.23
8.1.190.0050.00317.41
8.1.180.0080.00018.10
8.1.170.0060.00618.52
8.1.160.0040.00421.99
8.1.150.0000.00718.62
8.1.140.0000.00717.38
8.1.130.0000.00717.77
8.1.120.0040.00417.41
8.1.110.0030.00517.41
8.1.100.0040.00417.37
8.1.90.0000.00817.40
8.1.80.0040.00417.35
8.1.70.0000.00817.26
8.1.60.0000.00817.50
8.1.50.0060.00317.35
8.1.40.0000.00817.50
8.1.30.0050.00317.56
8.1.20.0000.00817.59
8.1.10.0040.00417.48
8.1.00.0070.00017.48
8.0.300.0070.00018.77
8.0.290.0050.00217.04
8.0.280.0040.00218.28
8.0.270.0040.00417.18
8.0.260.0060.00016.81
8.0.250.0000.00716.76
8.0.240.0030.00316.83
8.0.230.0080.00016.86
8.0.220.0040.00416.87
8.0.210.0000.00716.80
8.0.200.0000.00616.80
8.0.190.0060.00316.84
8.0.180.0000.00716.76
8.0.170.0000.00716.78
8.0.160.0000.00716.70
8.0.150.0040.00416.85
8.0.140.0080.00016.76
8.0.130.0050.00013.21
8.0.120.0000.00716.66
8.0.110.0000.00716.79
8.0.100.0050.00216.70
8.0.90.0040.00416.70
8.0.80.0110.01116.77
8.0.70.0000.00716.75
8.0.60.0040.00416.77
8.0.50.0050.00216.86
8.0.30.0100.01017.01
8.0.20.0110.00717.40
8.0.10.0000.00716.97
8.0.00.0100.00916.78
7.4.330.0000.00615.15
7.4.320.0030.00316.44
7.4.300.0000.00916.41
7.4.290.0030.00316.59
7.4.280.0030.00316.34
7.4.270.0060.00016.59
7.4.260.0000.00716.44
7.4.250.0050.00216.57
7.4.240.0020.00516.61
7.4.230.0030.00316.70
7.4.220.0130.01016.60
7.4.210.0050.01116.52
7.4.200.0000.00716.50
7.4.190.0070.00016.77
7.4.160.0090.00616.41
7.4.150.0100.00717.40
7.4.140.0100.00717.86
7.4.130.0120.00616.54
7.4.120.0090.01116.42
7.4.110.0100.00616.52
7.4.100.0060.01016.60
7.4.90.0070.01016.56
7.4.80.0100.00719.39
7.4.70.0100.00716.52
7.4.60.0060.01016.52
7.4.50.0000.00516.29
7.4.40.0060.00922.77
7.4.30.0130.00916.44
7.4.00.0030.01314.84
7.3.330.0060.00013.18
7.3.320.0000.00513.04
7.3.310.0040.00416.02
7.3.300.0060.00016.19
7.3.290.0100.01016.08
7.3.280.0120.00716.21
7.3.270.0130.00317.40
7.3.260.0160.00616.25
7.3.250.0110.00716.14
7.3.240.0130.00316.18
7.3.230.0030.01716.39
7.3.210.0160.00316.34
7.3.200.0130.00319.39
7.3.190.0150.00616.45
7.3.180.0120.00316.25
7.3.170.0080.01216.27
7.3.160.0100.00716.18
7.3.120.0110.00414.77
7.3.10.0040.00816.55
7.3.00.0040.00716.42
7.2.330.0180.00016.42
7.2.320.0110.00716.46
7.2.310.0070.01016.65
7.2.300.0030.01416.09
7.2.290.0050.01116.18
7.2.130.0090.00016.77
7.2.120.0030.01216.76
7.2.110.0070.00616.52
7.2.100.0000.01016.83
7.2.90.0000.01316.79
7.2.80.0060.00316.87
7.2.70.0000.01216.53
7.2.60.0060.00916.51
7.2.50.0040.01116.73
7.2.40.0030.00616.72
7.2.30.0080.00316.55
7.2.20.0090.00616.82
7.2.10.0000.01316.41
7.2.00.0030.01017.87
7.1.250.0030.00715.61
7.1.100.0030.01018.03
7.1.70.0000.00816.64
7.1.60.0070.01119.29
7.1.50.0120.00616.93
7.1.00.0070.07022.45
7.0.200.0000.01116.72
7.0.140.0030.07322.21
7.0.110.0230.07020.07
7.0.100.0030.06320.07
7.0.90.0070.08319.94
7.0.80.0070.08019.92
7.0.70.0100.08019.84
7.0.60.0200.07019.89
7.0.50.0100.04720.40
7.0.40.0030.05320.29
7.0.30.0100.08020.17
7.0.20.0100.03720.13
7.0.10.0070.05020.22
7.0.00.0200.07020.27
5.6.280.0000.07720.81
5.6.250.0070.08020.69
5.6.240.0200.05320.63
5.6.230.0070.07720.55
5.6.220.0100.07720.54
5.6.210.0100.08020.62
5.6.200.0200.07321.25
5.6.190.0070.07721.21
5.6.180.0170.07021.26
5.6.170.0030.05321.28
5.6.160.0130.08021.05
5.6.150.0170.07720.94
5.6.140.0000.08721.04
5.6.130.0070.08021.25
5.6.120.0200.05321.27
5.6.110.0100.08021.01
5.6.100.0030.08321.13
5.6.90.0070.07721.16
5.6.80.0230.06020.59
5.6.70.0030.08020.51
5.6.60.0030.06720.44
5.6.50.0000.05720.36
5.6.40.0070.08020.54
5.6.30.0030.07320.57
5.6.20.0070.07720.44
5.6.10.0070.07720.56
5.6.00.0070.05720.41
5.5.380.0130.06320.54
5.5.370.0070.06320.48
5.5.360.0070.08020.34
5.5.350.0130.07720.42
5.5.340.0030.09020.84
5.5.330.0100.07720.88
5.5.320.0100.04720.96
5.5.310.0130.06720.89
5.5.300.0170.07020.98
5.5.290.0170.07320.89
5.5.280.0170.07020.88
5.5.270.0200.07020.97
5.5.260.0070.08320.95
5.5.250.0130.07720.64
5.5.240.0070.04320.12
5.5.230.0070.08020.07
5.5.220.0030.07320.27
5.5.210.0130.07320.18
5.5.200.0070.07720.16
5.5.190.0130.04320.23
5.5.180.0170.07320.15
5.5.160.0030.08020.25
5.5.150.0070.06320.08
5.5.140.0130.07320.32
5.5.130.0030.08020.29
5.5.120.0030.04320.00
5.5.110.0300.05720.11
5.5.100.0130.07020.05
5.5.90.0100.07019.97
5.5.80.0100.07320.26
5.5.70.0130.07020.03
5.5.60.0100.07320.00
5.5.50.0070.07319.98
5.5.40.0030.08320.00
5.5.30.0030.08020.00
5.5.20.0000.08719.95
5.5.10.0100.07320.15
5.5.00.0070.08020.05
5.4.450.0130.07319.27
5.4.440.0070.08019.60
5.4.430.0070.08019.51
5.4.420.0130.07319.30
5.4.410.0070.07719.46
5.4.400.0100.07319.00
5.4.390.0070.08019.16
5.4.380.0070.08019.02
5.4.370.0030.04018.98
5.4.360.0130.07719.04
5.4.350.0070.08019.25
5.4.340.0100.06719.18
5.4.320.0070.07719.10
5.4.310.0030.07019.03
5.4.300.0100.06719.11
5.4.290.0170.05319.11
5.4.280.0200.06018.92
5.4.270.0130.07018.98
5.4.260.0070.07719.10
5.4.250.0170.06319.26
5.4.240.0100.07019.07
5.4.230.0100.06319.07
5.4.220.0070.07018.96
5.4.210.0070.06719.17
5.4.200.0130.06718.94
5.4.190.0130.06719.26
5.4.180.0130.06719.07
5.4.170.0100.07019.00
5.4.160.0100.07319.01
5.4.150.0100.06718.96
5.4.140.0100.07016.51
5.4.130.0170.07016.36
5.4.120.0000.04716.46
5.4.110.0030.07716.49
5.4.100.0070.07016.53
5.4.90.0000.07016.53
5.4.80.0000.05016.26
5.4.70.0070.06016.48
5.4.60.0030.07716.16
5.4.50.0070.05716.48
5.4.40.0030.04016.26
5.4.30.0070.06716.34
5.4.20.0070.07016.35
5.4.10.0000.07316.29
5.4.00.0070.07015.71
5.3.290.0130.07314.66
5.3.280.0070.07714.44
5.3.270.0130.04014.43
5.3.260.0070.07314.66
5.3.250.0100.07014.45
5.3.240.0170.06314.45
5.3.230.0070.04314.48
5.3.220.0130.07014.59
5.3.210.0100.07314.50
5.3.200.0100.07014.57
5.3.190.0130.07314.63
5.3.180.0070.08014.58
5.3.170.0030.08014.42
5.3.160.0070.07014.42
5.3.150.0030.07314.50
5.3.140.0030.07714.56
5.3.130.0000.07714.44
5.3.120.0030.07714.48
5.3.110.0130.06314.61
5.3.100.0170.07313.82
5.3.90.0070.07013.86
5.3.80.0000.08313.84
5.3.70.0070.04014.07
5.3.60.0070.07313.82
5.3.50.0170.06013.87
5.3.40.0070.07714.01
5.3.30.0000.04013.69
5.3.20.0070.07013.62
5.3.10.0000.07313.49
5.3.00.0070.05013.46
5.2.170.0100.05311.14
5.2.160.0000.06711.05
5.2.150.0130.04011.06
5.2.140.0030.06311.03
5.2.130.0030.06311.04
5.2.120.0130.04011.00
5.2.110.0000.06711.08
5.2.100.0070.06011.02
5.2.90.0070.05311.05
5.2.80.0030.06311.01
5.2.70.0130.05011.01
5.2.60.0000.05711.11
5.2.50.0100.04710.90
5.2.40.0070.06011.00
5.2.30.0000.04311.04
5.2.20.0070.05010.91
5.2.10.0030.05010.86
5.2.00.0070.02710.66
5.1.60.0030.04710.05
5.1.50.0030.05010.16
5.1.40.0070.0539.86
5.1.30.0070.05310.24
5.1.20.0030.06310.25
5.1.10.0030.03710.07
5.1.00.0130.04310.30
5.0.50.0030.0478.52
5.0.40.0100.0378.43
5.0.30.0070.0638.43
5.0.20.0000.0438.43
5.0.10.0000.0438.43
5.0.00.0030.0578.43
4.4.90.0000.0378.43
4.4.80.0070.0308.43
4.4.70.0000.0238.43
4.4.60.0000.0408.43
4.4.50.0000.0338.43
4.4.40.0000.0438.43
4.4.30.0030.0278.43
4.4.20.0000.0378.43
4.4.10.0000.0278.43
4.4.00.0030.0478.43
4.3.110.0030.0308.43
4.3.100.0030.0338.43
4.3.90.0000.0378.43
4.3.80.0030.0508.43
4.3.70.0030.0308.43
4.3.60.0100.0308.43
4.3.50.0030.0338.43
4.3.40.0070.0438.43
4.3.30.0030.0338.43
4.3.20.0000.0378.43
4.3.10.0030.0308.43
4.3.00.0000.0338.43

preferences:
54.72 ms | 400 KiB | 5 Q