3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(0=>1,1=>2, 8=>0, 9=>5); $check = true; unset($arr[0], $check); print_r($arr);

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)
8.3.60.0140.00018.24
8.3.50.0150.00516.59
8.3.40.0140.00018.81
8.3.30.0100.01018.71
8.3.20.0040.00418.78
8.3.10.0040.00420.52
8.3.00.0050.00319.51
8.2.180.0190.00316.50
8.2.170.0100.01022.96
8.2.160.0110.00422.26
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00319.73
8.2.110.0090.00020.99
8.2.100.0080.00417.72
8.2.90.0050.00219.08
8.2.80.0040.00417.97
8.2.70.0060.00317.63
8.2.60.0030.00617.93
8.2.50.0060.00318.07
8.2.40.0000.00718.16
8.2.30.0000.00818.06
8.2.20.0000.00717.64
8.2.10.0070.00017.49
8.2.00.0040.00417.48
8.1.280.0100.01025.92
8.1.270.0080.00023.99
8.1.260.0110.00426.35
8.1.250.0080.00028.09
8.1.240.0070.00420.76
8.1.230.0040.00821.04
8.1.220.0060.00318.77
8.1.210.0060.00318.77
8.1.200.0040.00417.23
8.1.190.0000.00817.41
8.1.180.0080.00018.10
8.1.170.0050.00318.67
8.1.160.0040.00418.83
8.1.150.0040.00418.62
8.1.140.0050.00217.34
8.1.130.0080.00017.84
8.1.120.0040.00417.29
8.1.110.0050.00217.28
8.1.100.0000.00717.41
8.1.90.0030.00417.39
8.1.80.0000.00817.37
8.1.70.0000.00817.39
8.1.60.0040.00417.54
8.1.50.0000.00817.47
8.1.40.0040.00417.34
8.1.30.0030.00617.60
8.1.20.0030.00617.55
8.1.10.0000.00717.50
8.1.00.0050.00317.49
8.0.300.0030.00319.84
8.0.290.0070.00016.75
8.0.280.0000.00718.29
8.0.270.0030.00317.25
8.0.260.0060.00016.75
8.0.250.0000.00716.90
8.0.240.0070.00416.77
8.0.230.0040.00416.78
8.0.220.0080.00016.72
8.0.210.0070.00016.78
8.0.200.0000.00616.78
8.0.190.0050.00316.86
8.0.180.0000.00716.82
8.0.170.0030.00516.80
8.0.160.0040.00316.88
8.0.150.0040.00416.79
8.0.140.0030.00716.68
8.0.130.0030.00313.27
8.0.120.0050.00316.80
8.0.110.0040.00416.86
8.0.100.0030.00416.95
8.0.90.0070.00016.74
8.0.80.0090.00916.92
8.0.70.0040.00416.79
8.0.60.0070.00016.71
8.0.50.0040.00416.86
8.0.30.0130.00517.14
8.0.20.0100.00717.07
8.0.10.0000.00716.96
8.0.00.0100.01316.71
7.4.330.0000.00614.86
7.4.320.0040.00416.49
7.4.300.0000.00616.59
7.4.290.0030.00316.58
7.4.280.0030.00716.58
7.4.270.0080.00016.66
7.4.260.0000.00513.26
7.4.250.0040.00416.50
7.4.240.0040.00416.36
7.4.230.0000.00716.59
7.4.220.0160.01016.60
7.4.210.0070.01116.58
7.4.200.0050.00216.58
7.4.190.0030.00316.59
7.4.160.0110.00516.55
7.4.150.0100.00617.07
7.4.140.0100.00817.16
7.4.130.0120.00716.43
7.4.120.0110.00616.51
7.4.110.0030.01416.73
7.4.100.0120.00616.57
7.4.90.0070.01016.53
7.4.80.0110.00718.80
7.4.70.0110.00616.61
7.4.60.0130.00416.52
7.4.50.0030.00616.46
7.4.40.0120.00022.27
7.4.30.0100.00616.58
7.4.00.0060.00814.85
7.3.330.0030.00313.08
7.3.320.0050.00013.07
7.3.310.0060.00316.29
7.3.300.0070.00016.11
7.3.290.0030.01016.16
7.3.280.0130.00616.21
7.3.270.0130.00317.07
7.3.260.0120.00518.24
7.3.250.0090.00916.25
7.3.240.0100.00616.43
7.3.230.0130.00316.47
7.3.210.0100.00716.26
7.3.200.0090.00919.39
7.3.190.0000.02016.23
7.3.180.0110.00616.29
7.3.170.0120.00416.27
7.3.160.0070.01016.25
7.3.120.0000.01314.43
7.3.10.0090.00616.64
7.3.00.0100.00316.57
7.2.330.0070.01116.47
7.2.320.0060.01116.49
7.2.310.0300.01916.54
7.2.300.0030.01516.23
7.2.290.0090.00616.60
7.2.130.0100.00616.82
7.2.120.0060.00916.91
7.2.110.0040.00716.74
7.2.100.0060.00616.83
7.2.90.0040.01116.66
7.2.80.0080.00416.80
7.2.70.0070.00716.86
7.2.60.0080.00816.48
7.2.50.0030.00816.64
7.2.40.0110.00416.85
7.2.30.0030.01316.61
7.2.20.0060.00616.70
7.2.10.0030.01116.55
7.2.00.0050.00917.95
7.1.250.0000.00915.82
7.1.100.0000.01418.22
7.1.70.0060.00917.27
7.1.60.0030.02019.40
7.1.50.0060.01616.96
7.1.00.0030.07322.51
7.0.200.0040.00416.53
7.0.140.0000.07322.15
7.0.60.0200.08021.66
7.0.50.0070.04317.88
7.0.40.0170.06320.27
7.0.30.0270.06720.21
7.0.20.0230.04320.33
7.0.10.0070.05720.16
7.0.00.0000.09020.20
5.6.280.0000.07720.88
5.6.210.0030.08720.46
5.6.200.0100.06718.11
5.6.190.0070.04020.41
5.6.180.0330.08020.48
5.6.170.0330.07720.56
5.6.160.0100.07720.50
5.6.150.0070.05318.17
5.6.140.0030.08318.14
5.6.130.0100.08018.22
5.6.120.0070.07721.00
5.6.110.0070.03721.12
5.6.100.0070.08320.96
5.6.90.0030.08320.96
5.6.80.0200.06720.36
5.5.350.0300.05720.43
5.5.340.0030.08317.95
5.5.330.0200.07320.31
5.5.320.0400.07720.35
5.5.310.0330.05320.34
5.5.300.0100.07318.08
5.5.290.0000.04318.01
5.5.280.0030.04720.87
5.5.270.0070.04320.75
5.5.260.0170.07020.75
5.5.250.0130.06720.68
5.5.240.0400.06720.32
5.4.450.3270.04019.55
5.4.440.0030.04719.48
5.4.430.1370.04019.54
5.4.420.3670.04019.29
5.4.410.2700.04319.42
5.4.400.3730.04018.97
5.4.390.5830.03319.24
5.4.380.4730.04018.99
5.4.370.3970.04319.10
5.4.360.4500.04019.26
5.4.350.0130.05018.93
5.4.340.0500.06019.13
5.4.320.4730.04019.16
5.4.310.4630.04319.06
5.4.300.4130.04019.12
5.4.290.4330.03719.16
5.4.280.4630.03719.14
5.4.270.4030.03319.16
5.4.260.3830.03319.04
5.4.250.4170.04019.06
5.4.240.3370.04018.94
5.4.230.3300.03719.11
5.4.220.3600.03019.21
5.4.210.4430.03719.09
5.4.200.4770.03719.22
5.4.190.4130.03719.09
5.4.180.3170.04319.22
5.4.170.3400.03718.94
5.4.160.4030.04319.12
5.4.150.4230.03719.18
5.4.140.3970.03716.39
5.4.130.3900.03716.35
5.4.120.3770.03316.25
5.4.110.3730.03016.48
5.4.100.4800.03016.54
5.4.90.4630.04016.35
5.4.80.3930.02716.46
5.4.70.4100.04016.50
5.4.60.4700.03716.61
5.4.50.4170.03716.52
5.4.40.3970.03716.55
5.4.30.3800.04016.42
5.4.20.2830.04016.50
5.4.10.2470.03016.50
5.4.00.2730.03015.80
5.3.290.4430.03714.70
5.3.280.3330.03714.65
5.3.270.3500.04014.59
5.3.260.4230.03714.52
5.3.250.4100.04314.60
5.3.240.3770.04014.66
5.3.230.3830.03014.62
5.3.220.4230.03714.71
5.3.210.4000.03314.57
5.3.200.4430.03014.47
5.3.190.4170.04014.71
5.3.180.3700.04014.70
5.3.170.3930.02714.58
5.3.160.3970.03714.56
5.3.150.3870.04014.71
5.3.140.3870.03014.54
5.3.130.3430.04014.58
5.3.120.4400.03714.63
5.3.110.1630.04714.53
5.3.100.2730.03314.09
5.3.90.3000.03714.02
5.3.80.3230.03314.02
5.3.70.2700.03313.90
5.3.60.2870.03014.02
5.3.50.3700.03313.96
5.3.40.3200.02714.09
5.3.30.2770.03714.05
5.3.20.3230.03713.65
5.3.10.2970.03313.60
5.3.00.3700.03713.55
5.2.170.2330.03011.09
5.2.160.2230.03011.29
5.2.150.2270.03311.12
5.2.140.2330.03311.05
5.2.130.2800.03311.06
5.2.120.2570.02311.11
5.2.110.1670.02711.14
5.2.100.3130.02311.15
5.2.90.3230.03711.09
5.2.80.3500.03011.14
5.2.70.3070.02311.09
5.2.60.3970.02010.93
5.2.50.4070.03711.02
5.2.40.3370.02311.13
5.2.30.3030.03311.00
5.2.20.2730.03011.00
5.2.10.3000.02710.81
5.2.00.2970.02010.61
5.1.60.2870.0239.98
5.1.50.2970.02310.04
5.1.40.2930.0279.98
5.1.30.3100.03310.34
5.1.20.3330.02310.37
5.1.10.2930.02710.04
5.1.00.3030.02310.10
5.0.50.1770.0208.55
5.0.40.1870.0238.44
5.0.30.1870.0308.18
5.0.20.1970.0138.30
5.0.10.1330.0208.14
5.0.00.1430.0338.12
4.4.90.1430.0205.93
4.4.80.1170.0175.87
4.4.70.1130.0175.84
4.4.60.1700.0205.88
4.4.50.1370.0175.81
4.4.40.1730.0235.76
4.4.30.1270.0175.86
4.4.20.1900.0135.96
4.4.10.1770.0105.84
4.4.00.1870.0305.80
4.3.110.1770.0175.75
4.3.100.2100.0105.71
4.3.90.1700.0175.80
4.3.80.1530.0275.70
4.3.70.1970.0135.67
4.3.60.1830.0135.77
4.3.50.1530.0135.79
4.3.40.1470.0275.68
4.3.30.1000.0204.98
4.3.20.1070.0234.98
4.3.10.1130.0204.98
4.3.00.0800.0234.98

preferences:
46.67 ms | 401 KiB | 5 Q