3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = array(); unset( $var['foo']['bar'] ); $var = false; unset( $var['foo']['bar'] );

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)
8.4.20.0110.01117.73
8.4.10.0090.00017.80
8.3.150.0110.00717.20
8.3.140.0110.00718.59
8.3.130.0040.00418.44
8.3.120.0060.00918.79
8.3.110.0050.00320.94
8.3.100.0040.00424.06
8.3.90.0040.00426.77
8.3.80.0080.00016.88
8.3.70.0110.00416.75
8.3.60.0120.00616.63
8.3.50.0130.00321.91
8.3.40.0030.01318.67
8.3.30.0070.00718.67
8.3.20.0070.00020.34
8.3.10.0000.00823.62
8.3.00.0090.00019.14
8.2.270.0070.01116.61
8.2.260.0040.00418.99
8.2.250.0030.00516.62
8.2.240.0060.01217.07
8.2.230.0040.00422.58
8.2.220.0070.01437.54
8.2.210.0040.00426.77
8.2.200.0030.00616.63
8.2.190.0070.01416.75
8.2.180.0080.00818.54
8.2.170.0150.00022.96
8.2.160.0070.00719.08
8.2.150.0060.01224.18
8.2.140.0070.00024.66
8.2.130.0060.00617.63
8.2.120.0060.00326.35
8.2.110.0040.00421.02
8.2.100.0090.00317.91
8.2.90.0050.00219.08
8.2.80.0030.00617.97
8.2.70.0050.00317.73
8.2.60.0050.00517.80
8.2.50.0000.00918.07
8.2.40.0040.00419.41
8.2.30.0040.00420.63
8.2.20.0040.00417.62
8.2.10.0050.00317.92
8.2.00.0040.00417.98
8.1.310.0070.00316.87
8.1.300.0050.00318.20
8.1.290.0030.00618.88
8.1.280.0070.00725.92
8.1.270.0080.00023.99
8.1.260.0050.00326.35
8.1.250.0000.00728.09
8.1.240.0040.00419.28
8.1.230.0110.00022.64
8.1.220.0050.00317.74
8.1.210.0030.00618.77
8.1.200.0040.00417.23
8.1.190.0030.00517.10
8.1.180.0000.00918.10
8.1.170.0000.00720.06
8.1.160.0000.00721.86
8.1.150.0030.00618.80
8.1.140.0030.00519.51
8.1.130.0030.00317.51
8.1.120.0080.00017.29
8.1.110.0060.00317.35
8.1.100.0050.00317.31
8.1.90.0030.00517.39
8.1.80.0000.00717.27
8.1.70.0000.00817.37
8.1.60.0030.00517.56
8.1.50.0090.00017.42
8.1.40.0040.00417.50
8.1.30.0040.00417.59
8.1.20.0000.00717.45
8.1.10.0050.00317.40
8.1.00.0000.00717.41
8.0.300.0000.00818.77
8.0.290.0040.00416.63
8.0.280.0070.00018.25
8.0.270.0040.00417.21
8.0.260.0000.00717.13
8.0.250.0040.00416.93
8.0.240.0050.00316.88
8.0.230.0040.00416.84
8.0.220.0000.00716.74
8.0.210.0070.00016.72
8.0.200.0040.00416.79
8.0.190.0040.00416.93
8.0.180.0000.00716.74
8.0.170.0000.00716.75
8.0.160.0070.00016.76
8.0.150.0040.00416.67
8.0.140.0070.00016.75
8.0.130.0000.00513.26
8.0.120.0080.00016.81
8.0.110.0080.00016.73
8.0.100.0000.00716.78
8.0.90.0000.00716.86
8.0.80.0090.00616.78
8.0.70.0040.00416.68
8.0.60.0040.00416.72
8.0.50.0000.00816.70
8.0.30.0080.00916.91
8.0.20.0130.00617.40
8.0.10.0040.00416.94
8.0.00.0090.00816.78
7.4.330.0000.00516.77
7.4.320.0030.00316.52
7.4.300.0070.00016.61
7.4.290.0050.00316.39
7.4.280.0040.00416.64
7.4.270.0040.00416.57
7.4.260.0000.00716.52
7.4.250.0040.00416.57
7.4.240.0020.00616.52
7.4.230.0000.00816.62
7.4.220.0040.01316.58
7.4.210.0040.01116.68
7.4.200.0030.00316.68
7.4.160.0080.00816.39
7.4.150.0140.00317.40
7.4.140.0150.00517.86
7.4.130.0050.01216.34
7.4.120.0100.00816.46
7.4.110.0060.01216.24
7.4.100.0100.00616.55
7.4.90.0140.00316.38
7.4.80.0100.00719.39
7.4.70.0040.01416.61
7.4.60.0120.00416.50
7.4.50.0000.01516.29
7.4.40.0070.00716.43
7.4.30.0060.00916.39
7.4.00.0040.01114.83
7.3.330.0000.00513.15
7.3.320.0050.00013.13
7.3.310.0050.00316.38
7.3.300.0000.00616.10
7.3.290.0110.00416.25
7.3.280.0100.00816.23
7.3.270.0140.00417.40
7.3.260.0140.00716.21
7.3.250.0090.01316.25
7.3.240.0120.01016.39
7.3.230.0100.01016.39
7.3.210.0000.01616.25
7.3.200.0040.01516.11
7.3.190.0090.00916.31
7.3.180.0030.01316.36
7.3.170.0060.01616.27
7.3.160.0080.00916.33
7.2.330.0100.00716.56
7.2.320.0060.01216.66
7.2.310.0110.00516.75
7.2.300.0110.00816.37
7.2.290.0090.00616.63
7.2.60.0000.01516.50
7.2.00.0070.00719.29
7.1.200.0030.00915.86
7.1.100.0040.00418.00
7.1.70.0030.01017.13
7.1.60.0040.02119.48
7.1.50.0100.01316.97
7.1.00.0000.08022.36
7.0.200.0140.00716.53
7.0.100.0030.04019.97
7.0.90.0030.03719.96
7.0.80.0030.04020.01
7.0.70.0070.08019.88
7.0.60.0330.08020.05
7.0.50.0070.09320.33
7.0.40.0100.03720.11
7.0.30.0100.08020.09
7.0.20.0130.08020.14
7.0.10.0130.07720.04
7.0.00.0100.08020.03
5.6.280.0000.03321.07
5.6.250.0030.04320.49
5.6.240.0000.04320.75
5.6.230.0070.04020.74
5.6.220.0000.08720.57
5.6.210.0000.05720.74
5.6.200.0070.04021.03
5.6.190.0100.08020.95
5.6.180.0100.05320.93
5.6.170.0070.08320.93
5.6.160.0130.07321.00
5.6.150.0130.08021.02
5.6.140.0030.06321.08
5.6.130.0100.09020.98
5.6.120.0130.08021.05
5.6.110.0100.07720.94
5.6.100.0170.04721.00
5.6.90.0070.04721.05
5.6.80.0100.05720.32
5.6.70.0230.06320.47
5.6.60.0100.08020.39
5.6.50.0100.08020.42
5.6.40.0100.08020.46
5.6.30.0200.06720.39
5.6.20.0100.07720.48
5.6.10.0070.04720.30
5.6.00.0170.07020.44
5.5.380.0000.04320.44
5.5.370.0030.04320.36
5.5.360.0070.08320.43
5.5.350.0070.06020.41
5.5.340.0100.04020.92
5.5.330.0170.07320.79
5.5.320.0130.07020.86
5.5.310.0130.07020.82
5.5.300.0200.05720.79
5.5.290.0070.07320.75
5.5.280.0070.08020.89
5.5.270.0100.09020.88
5.5.260.0030.06020.71
5.5.250.0130.04020.61
5.5.240.0100.07320.02
5.5.230.0130.07320.16
5.5.220.0070.07320.12
5.5.210.0170.06720.14
5.5.200.0000.08020.14
5.5.190.0130.04020.14
5.5.180.0030.08719.98
5.5.160.0130.04319.98
5.5.150.0170.07020.23
5.5.140.0030.06320.20
5.5.130.0100.06020.13
5.5.120.0070.05720.23
5.5.110.0100.07720.22
5.5.100.0130.06320.00
5.5.90.0100.07720.12
5.5.80.0030.08720.00
5.5.70.0100.04720.13
5.5.60.0030.04720.13
5.5.50.0100.07320.05
5.5.40.0170.07020.05
5.5.30.0130.08019.98
5.5.20.0130.06020.04
5.5.10.0070.07720.04
5.5.00.0070.07720.10
5.4.450.0130.07719.39
5.4.440.0100.07719.29
5.4.430.0030.08319.35
5.4.420.0100.07719.29
5.4.410.0070.08019.29
5.4.400.0130.06719.13
5.4.390.0100.07719.03
5.4.380.0000.07018.92
5.4.370.0100.05019.07
5.4.360.0070.04719.07
5.4.350.0100.07718.81
5.4.340.0070.07019.02
5.4.320.0070.06319.03
5.4.310.0100.06018.94
5.4.300.0030.07319.06
5.4.290.0100.06018.80
5.4.280.0130.07018.78
5.4.270.0000.04719.07
5.4.260.0100.07018.78
5.4.250.0070.07718.91
5.4.240.0070.04019.02
5.4.230.0130.07019.02
5.4.220.0070.07019.06
5.4.210.0100.07318.80
5.4.200.0070.06019.14
5.4.190.0030.04719.03
5.4.180.0030.08718.77
5.4.170.0170.07019.11
5.4.160.0030.05318.94
5.4.150.0070.07319.00
5.4.140.0070.08316.07
5.4.130.0130.05316.33
5.4.120.0070.07716.22
5.4.110.0130.07016.28
5.4.100.0000.07716.44
5.4.90.0100.04316.22
5.4.80.0030.08016.42
5.4.70.0170.04716.30
5.4.60.0030.07316.18
5.4.50.0170.06316.49
5.4.40.0100.07316.39
5.4.30.0070.07316.17
5.4.20.0000.04316.18
5.4.10.0070.07316.17
5.4.00.0030.04015.73
5.3.290.0100.05314.63
5.3.280.0000.06714.50
5.3.270.0030.07314.43
5.3.260.0030.07714.59
5.3.250.0170.07014.45
5.3.240.0030.07714.46
5.3.230.0100.07714.43
5.3.220.0070.08314.47
5.3.210.0100.07014.50
5.3.200.0030.08014.55
5.3.190.0100.06714.53
5.3.180.0030.07714.54
5.3.170.0100.06014.55
5.3.160.0070.07314.41
5.3.150.0100.07014.52
5.3.140.0130.07014.53
5.3.130.0030.07714.40
5.3.120.0070.08014.45
5.3.110.0100.06314.52
5.3.100.0070.05713.91
5.3.90.0030.03314.01
5.3.80.0100.07014.00
5.3.70.0070.07313.86
5.3.60.0030.04013.95
5.3.50.0030.04013.91
5.3.40.0070.07013.80
5.3.30.0030.06713.89
5.3.20.0030.05713.68
5.3.10.0130.06013.41
5.3.00.0070.05013.54
5.2.170.0030.06010.95
5.2.160.0000.05311.21
5.2.150.0070.05011.14
5.2.140.0130.03311.13
5.2.130.0130.05711.12
5.2.120.0130.05310.96
5.2.110.0000.03311.12
5.2.100.0100.03011.14
5.2.90.0070.05711.05
5.2.80.0030.04711.08
5.2.70.0030.06311.01
5.2.60.0130.05010.91
5.2.50.0000.04711.02
5.2.40.0030.03310.81
5.2.30.0070.06311.01
5.2.20.0070.06010.91
5.2.10.0030.03310.76
5.2.00.0070.05710.65
5.1.60.0000.0539.87
5.1.50.0100.0479.97
5.1.40.0030.0539.95
5.1.30.0100.05010.36
5.1.20.0070.05310.35
5.1.10.0070.0509.94
5.1.00.0070.05710.07
5.0.50.0000.0338.94
5.0.40.0000.0478.94
5.0.30.0070.0638.94
5.0.20.0030.0478.94
5.0.10.0030.0408.94
5.0.00.0030.0638.94
4.4.90.0000.0338.94
4.4.80.0000.0378.94
4.4.70.0000.0338.94
4.4.60.0100.0208.94
4.4.50.0000.0378.94
4.4.40.0030.0238.94
4.4.30.0100.0178.94
4.4.20.0030.0378.94
4.4.10.0000.0378.94
4.4.00.0030.0538.94
4.3.110.0030.0338.94
4.3.100.0100.0278.94
4.3.90.0070.0308.94
4.3.80.0070.0508.94
4.3.70.0070.0278.94
4.3.60.0000.0338.94
4.3.50.0000.0338.94
4.3.40.0000.0578.94
4.3.30.0000.0208.94
4.3.20.0000.0338.94
4.3.10.0030.0338.94
4.3.00.0000.0378.94

preferences:
30.55 ms | 403 KiB | 5 Q