3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = ' Hello World'; //x4 spaces echo preg_replace("/(^ |\n ) {2}/","\t",$var);

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)
8.3.60.0210.00018.55
8.3.50.0090.01021.20
8.3.40.0110.00319.01
8.3.30.0000.01418.83
8.3.20.0050.00318.77
8.3.10.0090.00020.97
8.3.00.0000.00723.71
8.2.180.0110.00416.63
8.2.170.0110.00322.96
8.2.160.0180.00320.28
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00221.16
8.2.110.0060.00320.35
8.2.100.0060.00617.97
8.2.90.0030.00519.05
8.2.80.0000.00817.97
8.2.70.0030.00617.62
8.2.60.0040.00418.04
8.2.50.0050.00518.07
8.2.40.0020.00518.09
8.2.30.0060.00321.21
8.2.20.0040.00417.73
8.2.10.0030.00617.81
8.2.00.0070.00017.82
8.1.280.0080.00825.92
8.1.270.0040.00423.99
8.1.260.0070.01426.35
8.1.250.0000.00828.09
8.1.240.0060.00322.22
8.1.230.0040.00817.58
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0030.00717.36
8.1.190.0060.00317.40
8.1.180.0090.00018.10
8.1.170.0080.00018.72
8.1.160.0070.00018.86
8.1.150.0000.00718.60
8.1.140.0040.00417.45
8.1.130.0000.00817.85
8.1.120.0040.00417.55
8.1.110.0000.00817.52
8.1.100.0050.00317.59
8.1.90.0040.00417.45
8.1.80.0070.00017.47
8.1.70.0030.00317.43
8.1.60.0040.00417.56
8.1.50.0060.00317.56
8.1.40.0000.00817.53
8.1.30.0050.00317.71
8.1.20.0050.00317.57
8.1.10.0040.00417.59
8.1.00.0000.00817.64
8.0.300.0070.00018.77
8.0.290.0000.00816.75
8.0.280.0030.00318.46
8.0.270.0030.00517.21
8.0.260.0060.00016.88
8.0.250.0000.00717.09
8.0.240.0030.00617.07
8.0.230.0000.00717.02
8.0.220.0000.00716.91
8.0.210.0040.00416.91
8.0.200.0030.00317.00
8.0.190.0000.00716.91
8.0.180.0040.00417.04
8.0.170.0040.00416.86
8.0.160.0030.00517.00
8.0.150.0070.00016.97
8.0.140.0000.00816.91
8.0.130.0030.00313.41
8.0.120.0000.00716.87
8.0.110.0040.00416.98
8.0.100.0000.00717.01
8.0.90.0000.00817.04
8.0.80.0090.00916.99
8.0.70.0040.00416.88
8.0.60.0050.00216.89
8.0.50.0040.00416.86
8.0.30.0060.01217.18
8.0.20.0110.00817.40
8.0.10.0050.00217.01
8.0.00.0060.01316.82
7.4.330.0050.00014.93
7.4.320.0060.00016.76
7.4.300.0000.00616.75
7.4.290.0000.00716.71
7.4.280.0000.00716.75
7.4.270.0000.00716.64
7.4.260.0030.00313.40
7.4.250.0070.00016.66
7.4.240.0000.00716.75
7.4.230.0050.00216.57
7.4.220.0040.01116.53
7.4.210.0040.01116.68
7.4.200.0070.00016.50
7.4.190.0040.00416.84
7.4.160.0100.01016.58
7.4.150.0120.00617.40
7.4.140.0140.00617.86
7.4.130.0080.01216.59
7.4.120.0100.00816.56
7.4.110.0130.00416.77
7.4.100.0040.01416.55
7.4.90.0140.00416.67
7.4.80.0130.00319.39
7.4.70.0140.00516.60
7.4.60.0100.00716.58
7.4.50.0030.00516.64
7.4.40.0130.00322.77
7.4.30.0140.00716.58
7.4.00.0090.00615.04
7.3.330.0060.00013.12
7.3.320.0020.00213.26
7.3.310.0070.00016.12
7.3.300.0060.00316.17
7.3.290.0090.00616.29
7.3.280.0120.00616.32
7.3.270.0060.01517.40
7.3.260.0110.00618.24
7.3.250.0090.01216.42
7.3.240.0120.00416.39
7.3.230.0090.00616.49
7.3.210.0120.00416.61
7.3.200.0070.01019.39
7.3.190.0070.01516.46
7.3.180.0090.00616.51
7.3.170.0130.00416.61
7.3.160.0060.01016.25
7.3.120.0000.01414.90
7.2.330.0110.00816.80
7.2.320.0090.01316.64
7.2.310.0140.00316.77
7.2.300.0090.00916.64
7.2.290.0090.00616.74
7.2.00.0030.00919.41
7.1.100.0070.00417.99
7.1.70.0030.00717.36
7.1.60.0040.00719.40
7.1.50.0030.02017.19
7.1.00.0030.05722.38
7.0.200.0030.00516.77
7.0.140.0000.07022.21
7.0.70.4500.03719.90
7.0.60.4230.05319.88
7.0.50.4430.03720.33
7.0.40.4070.03319.98
7.0.30.3100.03320.15
7.0.20.3970.04320.00
7.0.10.4000.04020.08
7.0.00.3700.04020.03
5.6.280.0030.07320.78
5.6.210.4330.03320.52
5.6.200.3930.04321.06
5.6.190.4030.04320.95
5.6.180.4170.03721.04
5.6.170.3870.03321.01
5.6.160.4170.04020.94
5.6.150.4070.03721.03
5.6.140.4200.03721.04
5.6.130.4630.03020.95
5.6.120.4200.04721.05
5.6.110.4300.04021.12
5.6.100.4300.03021.11
5.6.90.2900.04020.92
5.6.80.3200.03720.44
5.6.70.3300.04320.34
5.6.60.3330.03720.29
5.6.50.3200.03320.45
5.6.40.3030.03720.29
5.6.30.3830.03320.30
5.6.20.3500.04020.35
5.6.10.4070.03720.39
5.6.00.4000.04320.42
5.5.350.3970.04320.40
5.5.340.4330.04720.91
5.5.330.4030.04720.75
5.5.320.3900.03720.77
5.5.310.4230.03720.82
5.5.300.4200.04320.82
5.5.290.4270.04320.78
5.5.280.3930.04720.77
5.5.270.4130.04020.86
5.5.260.4270.03720.90
5.5.250.3330.03720.55
5.5.240.3330.03320.30
5.5.230.3630.04320.26
5.5.220.3070.03720.29
5.5.210.2900.02720.18
5.5.200.3000.03720.11
5.5.190.4070.04020.27
5.5.180.4100.04020.24
5.5.160.4270.03720.23
5.5.150.3700.03320.22
5.5.140.3900.03320.12
5.5.130.4300.03720.15
5.5.120.3930.03320.25
5.5.110.4130.03720.24
5.5.100.4100.04019.95
5.5.90.4300.03720.00
5.5.80.4070.03720.02
5.5.70.4270.04020.14
5.5.60.4200.04019.94
5.5.50.4170.03019.98
5.5.40.4070.03720.08
5.5.30.4270.04020.12
5.5.20.4500.04020.07
5.5.10.4070.04020.13
5.5.00.3970.03720.02
5.4.450.4200.03719.14
5.4.440.4130.04319.23
5.4.430.4370.03319.43
5.4.420.4300.03719.39
5.4.410.3970.04319.01
5.4.400.3230.03319.02
5.4.390.3470.04018.84
5.4.380.3670.04319.10
5.4.370.3200.02718.95
5.4.360.3870.04719.12
5.4.350.3630.04318.95
5.4.340.4230.04018.79
5.4.320.3970.03319.14
5.4.310.3830.03718.96
5.4.300.3870.03319.20
5.4.290.4600.03718.81
5.4.280.3930.04318.97
5.4.270.4230.03718.82
5.4.260.4200.03719.02
5.4.250.4370.03318.94
5.4.240.4000.04019.00
5.4.230.4070.03718.95
5.4.220.3400.03719.13
5.4.210.3830.03719.06
5.4.200.4170.03718.89
5.4.190.3600.04018.95
5.4.180.3830.03319.02
5.4.170.3870.03318.77
5.4.160.2900.03719.00
5.4.150.0100.03718.95
5.4.140.0170.06016.32
5.4.130.3400.03316.22
5.4.120.3900.03316.31
5.4.110.4270.02016.32
5.4.100.4170.03716.30
5.4.90.3670.03016.42
5.4.80.4170.03016.25
5.4.70.4170.03316.32
5.4.60.4030.03316.47
5.4.50.3970.04016.33
5.4.40.1370.04016.28
5.4.30.0070.03316.19
5.4.20.3130.03716.33
5.4.10.3030.03016.32
5.4.00.3530.03715.68
5.3.290.4030.04314.48
5.3.280.3800.03714.45
5.3.270.4170.03714.61
5.3.260.3830.04014.42
5.3.250.0030.08014.59
5.3.240.1970.04714.58
5.3.230.3100.03314.60
5.3.220.4070.03714.50
5.3.210.3670.04014.54
5.3.200.4230.03714.52
5.3.190.4100.04014.55
5.3.180.3870.04014.46
5.3.170.4070.03714.52
5.3.160.3900.03314.46
5.3.150.3330.04014.38
5.3.140.3570.05014.54
5.3.130.0000.03714.53
5.3.120.0370.05314.42
5.3.110.3130.03014.52
5.3.100.4130.03313.90
5.3.90.4200.04013.96
5.3.80.3930.03013.95
5.3.70.4200.03713.97
5.3.60.4000.03714.01
5.3.50.3870.04013.94
5.3.40.4270.03013.89
5.3.30.4370.03713.66
5.3.20.4130.04013.67
5.3.10.4000.03313.65
5.3.00.4170.03713.59
5.2.170.2700.03011.20
5.2.160.2970.02711.13
5.2.150.3130.03011.16
5.2.140.3630.03011.13
5.2.130.3800.02710.96
5.2.120.3670.02711.16
5.2.110.2970.03310.95
5.2.100.3270.03311.13
5.2.90.3530.02711.09
5.2.80.3070.03010.94
5.2.70.3270.03311.05
5.2.60.3200.02711.07
5.2.50.3400.02311.06
5.2.40.2900.02311.07
5.2.30.2870.03010.89
5.2.20.2970.02710.95
5.2.10.3100.02710.91
5.2.00.2830.03010.73
5.1.60.2930.01710.00
5.1.50.2870.0279.99
5.1.40.3030.0209.80
5.1.30.2930.02710.25
5.1.20.2830.03010.20
5.1.10.2900.03010.05
5.1.00.1470.02710.14
5.0.50.1330.0208.61
5.0.40.1000.0208.39
5.0.30.1100.0278.25
5.0.20.0730.0178.04
5.0.10.1330.0208.25
5.0.00.1030.0238.25
4.4.90.1770.0135.81
4.4.80.1330.0135.81
4.4.70.1200.0205.81
4.4.60.1630.0205.86
4.4.50.1700.0175.81
4.4.40.1730.0235.81
4.4.30.1630.0105.83
4.4.20.1730.0175.84
4.4.10.1200.0175.89
4.4.00.1370.0205.85
4.3.110.1100.0135.81
4.3.100.1070.0135.84
4.3.90.1030.0135.84
4.3.80.1030.0175.84
4.3.70.1030.0175.84
4.3.60.1470.0175.84
4.3.50.1200.0175.84
4.3.40.1070.0235.84
4.3.30.0570.0135.84
4.3.20.0630.0175.84
4.3.10.0530.0175.84
4.3.00.0470.0105.84

preferences:
76.2 ms | 401 KiB | 5 Q