3v4l.org

run code in 300+ PHP versions simultaneously
<?php function stringInterpolate($str, array $vars) { return preg_replace_callback('/\{\$(\w+)\}/', function($matches){ return $matches[0]; }, $str); } echo stringInterpolate('{$name} {$surname}', array('name' => 'foo', 'surname' => '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)
8.3.60.0110.00718.68
8.3.50.0090.00616.64
8.3.40.0070.00718.85
8.3.30.0110.00419.09
8.3.20.0040.00420.25
8.3.10.0080.00021.73
8.3.00.0050.00319.04
8.2.180.0120.00616.50
8.2.170.0090.00922.96
8.2.160.0140.00020.39
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0070.00026.16
8.2.120.0040.00421.19
8.2.110.0030.00621.17
8.2.100.0060.00617.75
8.2.90.0070.00019.08
8.2.80.0050.00317.97
8.2.70.0080.00017.63
8.2.60.0030.00517.80
8.2.50.0050.00518.07
8.2.40.0040.00420.07
8.2.30.0040.00418.08
8.2.20.0040.00417.81
8.2.10.0040.00418.20
8.2.00.0040.00418.26
8.1.280.0110.00325.92
8.1.270.0110.00420.39
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0090.00022.68
8.1.230.0060.00617.48
8.1.220.0030.00617.74
8.1.210.0040.00418.77
8.1.200.0040.00417.47
8.1.190.0080.00017.24
8.1.180.0050.00318.10
8.1.170.0050.00320.55
8.1.160.0070.00022.10
8.1.150.0000.00718.80
8.1.140.0000.00817.59
8.1.130.0000.00717.85
8.1.120.0070.00017.60
8.1.110.0000.00717.61
8.1.100.0040.00417.58
8.1.90.0040.00417.57
8.1.80.0040.00417.56
8.1.70.0000.00717.57
8.1.60.0060.00317.73
8.1.50.0000.00817.64
8.1.40.0000.00817.48
8.1.30.0000.00817.73
8.1.20.0050.00317.73
8.1.10.0040.00417.70
8.1.00.0030.00517.50
8.0.300.0040.00418.77
8.0.290.0050.00216.75
8.0.280.0030.00518.36
8.0.270.0000.00717.23
8.0.260.0000.00817.22
8.0.250.0070.00017.09
8.0.240.0030.00317.10
8.0.230.0040.00416.96
8.0.220.0000.00716.96
8.0.210.0070.00016.94
8.0.200.0000.00717.04
8.0.190.0080.00017.00
8.0.180.0050.00316.88
8.0.170.0030.00716.99
8.0.160.0030.00416.84
8.0.150.0000.00716.92
8.0.140.0070.00017.01
8.0.130.0000.00513.31
8.0.120.0040.00416.82
8.0.110.0030.00517.00
8.0.100.0040.00416.87
8.0.90.0050.00217.10
8.0.80.0060.01117.05
8.0.70.0040.00416.95
8.0.60.0040.00417.04
8.0.50.0030.00517.09
8.0.30.0090.01117.04
8.0.20.0090.01017.40
8.0.10.0000.00816.89
8.0.00.0060.01316.92
7.4.330.0050.00215.03
7.4.320.0000.00616.61
7.4.300.0030.00316.70
7.4.290.0030.00316.67
7.4.280.0060.00316.66
7.4.270.0000.00716.71
7.4.260.0000.00716.61
7.4.250.0040.00416.62
7.4.240.0030.00416.64
7.4.230.0030.00316.77
7.4.220.0060.01216.77
7.4.210.0090.00616.66
7.4.200.0040.00416.75
7.4.160.0100.00516.39
7.4.150.0060.01217.40
7.4.140.0130.00917.86
7.4.130.0070.01016.65
7.4.120.0120.00816.78
7.4.110.0060.01216.73
7.4.100.0120.01116.61
7.4.90.0140.00416.48
7.4.80.0090.01519.39
7.4.70.0110.01416.92
7.4.60.0110.00616.66
7.4.50.0030.00516.50
7.4.40.0120.00916.55
7.4.30.0040.01316.73
7.4.00.0060.00915.35
7.3.330.0000.00513.46
7.3.320.0000.00613.45
7.3.310.0030.00316.52
7.3.300.0060.00016.42
7.3.290.0080.00816.39
7.3.280.0050.01116.36
7.3.270.0120.00417.40
7.3.260.0120.00616.75
7.3.250.0120.00716.68
7.3.240.0100.00716.47
7.3.230.0100.01016.57
7.3.210.0100.00616.71
7.3.200.0150.00419.39
7.3.190.0090.00616.39
7.3.180.0130.00316.34
7.3.170.0060.01316.45
7.3.160.0060.01016.48
7.2.330.0070.01116.87
7.2.320.0070.01116.82
7.2.310.0100.00716.61
7.2.300.0070.01016.96
7.2.290.0150.00916.93
7.2.60.0030.01017.18
7.2.00.0040.00719.38
7.1.200.0050.00316.00
7.1.100.0000.01318.43
7.1.70.0070.00717.32
7.1.60.0070.01819.48
7.1.50.0030.01617.17
7.1.00.0070.07022.36
7.0.200.0040.00416.93
7.0.60.0030.08720.01
7.0.50.0030.08017.96
7.0.40.0070.05020.29
7.0.30.0470.04720.18
7.0.20.0170.04020.25
7.0.10.0230.07020.18
7.0.00.0030.04320.25
5.6.280.0030.07320.87
5.6.210.0170.07020.61
5.6.200.0030.08318.21
5.6.190.0070.08720.39
5.6.180.3130.04020.65
5.6.170.0400.06720.51
5.6.160.0200.07020.71
5.6.150.0030.06318.19
5.6.140.0030.05718.18
5.6.130.0030.06718.15
5.6.120.0070.06321.00
5.6.110.0000.04321.09
5.6.100.0130.06720.97
5.6.90.0070.06721.14
5.6.80.0130.06720.30
5.6.70.0270.06320.41
5.5.350.0330.06720.42
5.5.340.0070.03717.98
5.5.330.0130.07320.32
5.5.320.0200.05720.30
5.5.310.0370.07720.31
5.5.300.0000.08317.98
5.5.290.0130.08317.95
5.5.280.0000.04320.67
5.5.270.0100.08020.68
5.5.260.0170.07320.72
5.5.250.0070.09020.80
5.5.240.0070.07720.27
5.4.450.4270.04319.27
5.4.440.0070.04719.27
5.4.430.1470.07319.45
5.4.420.3500.03719.46
5.4.410.3730.03719.32
5.4.400.4230.03019.11
5.4.390.3970.04719.20
5.4.380.4200.03018.98
5.4.370.4030.03719.23
5.4.360.3870.03319.06
5.4.350.3800.04019.14
5.4.340.3870.03719.11
5.4.320.3830.03319.11
5.4.310.4270.03318.95
5.4.300.4030.03319.06
5.4.290.3630.03719.01
5.4.280.3900.03719.08
5.4.270.4000.04019.12
5.4.260.4270.04019.21
5.4.250.3770.04719.21
5.4.240.3770.03319.16
5.4.230.4000.03719.11
5.4.220.4100.03718.94
5.4.210.3900.03718.93
5.4.200.4070.03319.05
5.4.190.4000.04018.93
5.4.180.3800.04318.89
5.4.170.4000.04019.21
5.4.160.3630.04019.04
5.4.150.3800.04018.91
5.4.140.3900.03016.51
5.4.130.3630.03316.42
5.4.120.3930.03316.56
5.4.110.3200.03716.27
5.4.100.3670.03316.54
5.4.90.2830.03316.30
5.4.80.3270.03016.56
5.4.70.3500.03016.59
5.4.60.3030.03316.49
5.4.50.3430.03316.50
5.4.40.2430.03316.50
5.4.30.2070.04016.42
5.4.20.2830.04016.19
5.4.10.3330.04716.42
5.4.00.2670.04015.79
5.3.290.3800.03714.66
5.3.280.3230.03714.59
5.3.270.4100.03714.61
5.3.260.4100.03714.65
5.3.250.4130.03714.63
5.3.240.3830.04014.68
5.3.230.3470.03314.60
5.3.220.3470.03314.57
5.3.210.3870.04714.57
5.3.200.3870.03714.57
5.3.190.2770.04014.60
5.3.180.2900.04014.62
5.3.170.3170.04014.62
5.3.160.2870.03014.57
5.3.150.3400.04014.56
5.3.140.1600.03314.63
5.3.130.2230.04014.59
5.3.120.2930.03314.58
5.3.110.3100.04014.61
5.3.100.4070.03714.08
5.3.90.3330.03714.04
5.3.80.0130.04314.17
5.3.70.0070.06314.02
5.3.60.0030.08014.05
5.3.50.2400.04713.86
5.3.40.3930.03313.95
5.3.30.3930.03013.86
5.3.20.3600.03013.74
5.3.10.2970.03013.71
5.3.00.3700.03313.62
5.2.170.3600.02311.21
5.2.160.3330.02711.15
5.2.150.3000.03011.19
5.2.140.3400.03311.14
5.2.130.3430.02311.11
5.2.120.2900.03711.05
5.2.110.3270.03011.14
5.2.100.3530.02711.05
5.2.90.3030.02311.11
5.2.80.4370.03311.14
5.2.70.3470.02711.11
5.2.60.3430.02710.96
5.2.50.3970.03011.16
5.2.40.3330.02711.14
5.2.30.0470.02711.00
5.2.20.0100.04711.02
5.2.10.0030.04710.87
5.2.00.0570.05310.71
5.1.60.3230.02310.04
5.1.50.3100.03010.06
5.1.40.3230.02310.04
5.1.30.3200.02010.37
5.1.20.3370.02310.39
5.1.10.2700.02310.07
5.1.00.2900.02010.07
5.0.50.1500.0178.51
5.0.40.1330.0208.47
5.0.30.0670.0608.24
5.0.20.1530.0208.11
5.0.10.1330.0178.21
5.0.00.1430.0338.27
4.4.90.1570.0136.61
4.4.80.1100.0176.61
4.4.70.0000.0406.61
4.4.60.0100.0276.61
4.4.50.0000.0376.61
4.4.40.1900.0206.61
4.4.30.1230.0136.61
4.4.20.1570.0136.61
4.4.10.1330.0176.61
4.4.00.1400.0336.61
4.3.110.1500.0176.61
4.3.100.1500.0176.61
4.3.90.1770.0176.61
4.3.80.1130.0276.61
4.3.70.1230.0176.61
4.3.60.1470.0106.61
4.3.50.1600.0206.61
4.3.40.1670.0206.61
4.3.30.0170.0176.61
4.3.20.0630.0276.61
4.3.10.0930.0176.61
4.3.00.0770.0176.61

preferences:
28.34 ms | 400 KiB | 5 Q