3v4l.org

run code in 300+ PHP versions simultaneously
<?php $Contacts = "µ4µµ2µ"; if(is_array($Contacts)) { $C = $Contacts; } else { $C = explode("µµ", mb_substr($Contacts, 1, -1, "UTF-8")); } print_r($C);

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)
8.3.60.0070.00718.16
8.3.50.0180.00417.91
8.3.40.0150.00018.54
8.3.30.0030.01719.00
8.3.20.0040.00420.25
8.3.10.0080.00020.37
8.3.00.0050.00319.26
8.2.180.0040.01416.32
8.2.170.0110.00422.96
8.2.160.0100.00720.35
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00422.06
8.2.110.0000.00922.25
8.2.100.0070.00417.66
8.2.90.0040.00418.93
8.2.80.0030.00617.97
8.2.70.0030.00617.63
8.2.60.0050.00217.93
8.2.50.0000.00918.07
8.2.40.0030.00918.16
8.2.30.0040.00419.33
8.2.20.0000.00717.52
8.2.10.0050.00317.94
8.2.00.0100.00017.69
8.1.280.0110.00725.92
8.1.270.0140.00022.01
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00623.96
8.1.230.0090.00319.09
8.1.220.0000.00717.74
8.1.210.0050.00318.77
8.1.200.0000.01317.23
8.1.190.0000.00817.10
8.1.180.0020.00518.10
8.1.170.0060.00318.37
8.1.160.0000.00822.00
8.1.150.0040.00418.83
8.1.140.0000.00717.31
8.1.130.0070.00017.79
8.1.120.0000.00717.40
8.1.110.0000.00817.39
8.1.100.0000.00717.35
8.1.90.0030.00317.42
8.1.80.0080.00017.39
8.1.70.0030.00517.29
8.1.60.0040.00417.48
8.1.50.0030.00517.51
8.1.40.0070.00017.54
8.1.30.0080.00017.57
8.1.20.0050.00317.55
8.1.10.0000.00717.53
8.1.00.0040.00417.46
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0070.00018.46
8.0.270.0030.00317.32
8.0.260.0030.00317.35
8.0.250.0040.00316.93
8.0.240.0000.00816.93
8.0.230.0050.00216.96
8.0.220.0030.00316.78
8.0.210.0070.00016.87
8.0.200.0000.00716.95
8.0.190.0030.00516.82
8.0.180.0030.00316.80
8.0.170.0040.00416.95
8.0.160.0040.00416.81
8.0.150.0030.00316.86
8.0.140.0050.00216.85
8.0.130.0030.00313.29
8.0.120.0040.00416.89
8.0.110.0070.00016.76
8.0.100.0040.00416.82
8.0.90.0040.00417.01
8.0.80.0100.00716.89
8.0.70.0040.00416.91
8.0.60.0080.00016.96
8.0.50.0040.00416.88
8.0.30.0110.01117.01
8.0.20.0110.01017.40
8.0.10.0020.00516.98
8.0.00.0110.00916.66
7.4.330.0030.00315.00
7.4.320.0030.00316.44
7.4.300.0030.00316.58
7.4.290.0000.00716.46
7.4.280.0000.00816.44
7.4.270.0000.00716.43
7.4.260.0080.00016.32
7.4.250.0030.00316.55
7.4.240.0040.00316.49
7.4.230.0000.00716.58
7.4.220.0090.00916.59
7.4.210.0090.00616.61
7.4.200.0070.00016.34
7.4.160.0120.00416.45
7.4.150.0070.01017.40
7.4.140.0110.00617.86
7.4.130.0110.00516.26
7.4.120.0100.00716.35
7.4.110.0070.01016.43
7.4.100.0120.00616.34
7.4.90.0100.00716.53
7.4.80.0100.01319.39
7.4.70.0060.01016.36
7.4.60.0140.00316.36
7.4.50.0030.00616.45
7.4.40.0080.00816.25
7.4.30.0090.00916.28
7.4.00.0070.00714.87
7.3.330.0000.00512.97
7.3.320.0000.00512.94
7.3.310.0070.00016.07
7.3.300.0070.00016.14
7.3.290.0050.00316.04
7.3.280.0090.00716.10
7.3.270.0070.01017.40
7.3.260.0040.01216.12
7.3.250.0090.00816.35
7.3.240.0100.00616.50
7.3.230.0150.00316.39
7.3.210.0070.01416.27
7.3.200.0000.01619.39
7.3.190.0100.00716.15
7.3.180.0130.00316.16
7.3.170.0030.01316.27
7.3.160.0070.01416.46
7.3.10.0030.00916.10
7.3.00.0110.00716.24
7.2.330.0190.00016.50
7.2.320.0070.01016.45
7.2.310.0070.01416.65
7.2.300.0120.00916.61
7.2.290.0050.01416.63
7.2.130.0070.00416.30
7.2.120.0210.00516.63
7.2.110.0060.00616.73
7.2.100.0090.00916.76
7.2.90.0280.00416.53
7.2.80.0200.00316.77
7.2.70.0130.01316.74
7.2.60.0110.01116.67
7.2.50.0060.01216.54
7.2.40.0210.00216.72
7.2.30.0070.01516.61
7.2.20.0180.00416.65
7.2.10.0170.00316.57
7.2.00.0130.00818.03
7.1.250.0150.00515.57
7.1.200.0000.01115.88
7.1.100.0000.01118.00
7.1.70.0030.00617.23
7.1.60.0090.00419.12
7.1.50.0130.00716.93
7.1.00.0130.06722.39
7.0.200.0000.01016.76
7.0.140.0030.07322.12
7.0.60.0270.07719.93
7.0.50.0070.08317.96
7.0.40.0030.08020.04
7.0.30.0500.07020.09
7.0.20.0330.07720.21
7.0.10.0030.04720.15
7.0.00.0100.05020.31
5.6.280.0030.07321.02
5.6.210.0100.06020.70
5.6.200.0100.07718.25
5.6.190.0070.08720.55
5.6.180.0570.07020.46
5.6.170.0170.08320.39
5.6.160.0100.08720.55
5.6.150.0070.08318.23
5.6.140.0130.07318.19
5.6.130.0030.04718.28
5.6.120.0170.07021.09
5.6.110.0000.04721.01
5.6.100.0330.06321.08
5.6.90.0030.06720.99
5.6.80.0130.06320.40
5.5.350.0130.08320.39
5.5.340.0100.07717.98
5.5.330.0070.06720.27
5.5.320.0300.08320.25
5.5.310.0170.04020.51
5.5.300.0070.05317.95
5.5.290.0070.06718.02
5.5.280.0100.08020.84
5.5.270.0130.08020.95
5.5.260.0000.05020.75
5.5.250.0130.07720.63
5.5.240.0130.07320.26
5.4.450.0070.05319.55
5.4.440.3630.03319.27
5.4.430.4230.04319.36
5.4.420.0030.07719.55
5.4.410.2700.05319.18
5.4.400.4300.03318.97
5.4.390.3630.03319.26
5.4.380.3630.03718.98
5.4.370.4300.03019.10
5.4.360.3600.04019.05
5.4.350.3670.04318.99
5.4.340.3870.04319.02
5.4.320.4700.03718.95
5.4.310.4430.04319.11
5.4.300.4270.03719.17
5.4.290.4030.03719.22
5.4.280.4500.03719.14
5.4.270.4470.04018.91
5.4.260.4700.03319.04
5.4.250.4100.04318.92
5.4.240.4100.04019.09
5.4.230.3870.04019.10
5.4.220.3870.04319.22
5.4.210.3830.03719.16
5.4.200.3930.04019.25
5.4.190.3700.03719.21
5.4.180.3670.04319.18
5.4.170.3930.03718.92
5.4.160.3700.04018.96
5.4.150.2270.04319.20
5.4.140.1330.03316.43
5.4.130.1600.03716.38
5.4.120.2770.03716.26
5.4.110.3830.03716.53
5.4.100.3730.03716.45
5.4.90.3730.02716.48
5.4.80.2970.03316.20
5.4.70.3370.03716.46
5.4.60.2900.03716.45
5.4.50.2900.03316.47
5.4.40.3730.03316.47
5.4.30.3670.03016.43
5.4.20.3670.04316.29
5.4.10.4170.03316.42
5.4.00.4100.03015.93
5.3.290.4600.03714.69
5.3.280.3900.03314.61
5.3.270.4070.04714.60
5.3.260.3700.03714.61
5.3.250.4300.04314.63
5.3.240.1200.03714.62
5.3.230.2330.03714.64
5.3.220.4270.03714.55
5.3.210.3970.03014.57
5.3.200.3670.03314.70
5.3.190.3730.03314.47
5.3.180.3400.03714.63
5.3.170.2600.03314.56
5.3.160.4170.03314.70
5.3.150.3370.04014.70
5.3.140.3630.04014.54
5.3.130.2730.04014.59
5.3.120.3170.03714.68
5.3.110.3930.03714.56
5.3.100.3800.03014.10
5.3.90.3600.03714.07
5.3.80.3170.03313.98
5.3.70.3900.03714.07
5.3.60.3600.03013.91
5.3.50.4200.03013.94
5.3.40.3900.03313.97
5.3.30.3730.03713.85
5.3.20.4030.03713.60
5.3.10.4000.03013.65
5.3.00.3930.03713.63
5.2.170.3830.02311.09
5.2.160.3830.02311.19
5.2.150.3270.03011.31
5.2.140.3370.03011.21
5.2.130.3130.03011.06
5.2.120.3230.02311.10
5.2.110.3300.03011.17
5.2.100.3070.03311.07
5.2.90.3070.02711.11
5.2.80.3230.03311.05
5.2.70.3230.03011.14
5.2.60.3200.03011.07
5.2.50.1900.03011.00
5.2.40.0000.06310.87
5.2.30.0070.06010.94
5.2.20.0100.04310.96
5.2.10.2370.03010.90
5.2.00.3870.03010.68
5.1.60.3270.02710.04
5.1.50.3270.02710.04
5.1.40.2870.0239.95
5.1.30.3330.02710.41
5.1.20.3100.03010.36
5.1.10.2770.03010.03
5.1.00.2830.02710.08
5.0.50.1300.0208.63
5.0.40.1230.0208.45
5.0.30.1200.0308.22
5.0.20.1600.0278.18
5.0.10.1470.0278.22
5.0.00.1670.0208.21
4.4.90.1370.0136.31
4.4.80.1230.0136.31
4.4.70.0070.0336.31
4.4.60.0000.0276.31
4.4.50.0000.0376.31
4.4.40.1830.0206.31
4.4.30.1600.0136.31
4.4.20.1230.0206.31
4.4.10.1400.0206.31
4.4.00.1230.0236.31
4.3.110.1270.0176.31
4.3.100.1770.0176.31
4.3.90.1370.0176.31
4.3.80.1200.0236.31
4.3.70.1530.0136.31
4.3.60.1500.0106.31
4.3.50.1200.0136.31
4.3.40.1230.0236.31
4.3.30.0970.0236.31
4.3.20.0730.0176.31
4.3.10.0800.0136.31
4.3.00.0830.0136.31

preferences:
55.26 ms | 400 KiB | 5 Q