3v4l.org

run code in 300+ PHP versions simultaneously
<?php $colors = array('black','yellow','red'); $color = 'reddish'; $string = implode(' ', $colors); echo substr_count($string, $color);

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)
8.3.60.0150.00016.50
8.3.50.0140.00721.87
8.3.40.0110.00418.70
8.3.30.0110.00418.66
8.3.20.0040.00420.22
8.3.10.0050.00223.65
8.3.00.0120.00017.68
8.2.180.0110.00716.63
8.2.170.0080.00622.96
8.2.160.0100.00320.43
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00726.16
8.2.120.0050.00319.36
8.2.110.0060.00322.29
8.2.100.0000.01118.14
8.2.90.0000.00819.23
8.2.80.0000.00817.97
8.2.70.0000.00817.63
8.2.60.0080.00017.80
8.2.50.0030.00518.07
8.2.40.0000.00818.09
8.2.30.0000.00718.32
8.2.20.0000.00717.71
8.2.10.0070.00017.92
8.2.00.0030.00517.77
8.1.280.0060.00925.92
8.1.270.0080.00024.02
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00323.96
8.1.230.0080.00319.01
8.1.220.0000.00817.74
8.1.210.0090.00018.77
8.1.200.0090.00017.25
8.1.190.0080.00016.88
8.1.180.0000.00718.10
8.1.170.0000.00818.52
8.1.160.0030.00521.85
8.1.150.0070.00018.55
8.1.140.0000.00717.29
8.1.130.0000.00717.80
8.1.120.0070.00017.40
8.1.110.0070.00017.36
8.1.100.0050.00217.43
8.1.90.0030.00317.29
8.1.80.0000.00717.38
8.1.70.0030.00317.37
8.1.60.0080.00017.41
8.1.50.0000.00817.45
8.1.40.0000.00817.43
8.1.30.0000.00817.62
8.1.20.0030.00517.60
8.1.10.0040.00417.38
8.1.00.0000.00717.51
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0000.00718.32
8.0.270.0000.00717.16
8.0.260.0000.00717.21
8.0.250.0030.00316.93
8.0.240.0070.00316.94
8.0.230.0000.00716.77
8.0.220.0000.00716.80
8.0.210.0040.00416.79
8.0.200.0070.00016.88
8.0.190.0040.00416.85
8.0.180.0000.00716.82
8.0.170.0040.00416.87
8.0.160.0030.00316.91
8.0.150.0080.00016.80
8.0.140.0030.00316.83
8.0.130.0000.00513.20
8.0.120.0000.00816.77
8.0.110.0070.00016.84
8.0.100.0000.00716.67
8.0.90.0000.00716.77
8.0.80.0090.00616.83
8.0.70.0000.00816.76
8.0.60.0000.00716.84
8.0.50.0040.00416.71
8.0.30.0080.01017.09
8.0.20.0210.00217.40
8.0.10.0050.00216.94
8.0.00.0130.00716.71
7.4.330.0020.00215.00
7.4.320.0030.00316.53
7.4.300.0030.00316.33
7.4.290.0030.00616.44
7.4.280.0070.00016.52
7.4.270.0070.00016.34
7.4.260.0000.00716.55
7.4.250.0040.00416.49
7.4.240.0020.00516.48
7.4.230.0000.00716.61
7.4.220.0030.01516.55
7.4.210.0140.00716.53
7.4.200.0000.00716.46
7.4.160.0100.00616.25
7.4.150.0130.01317.40
7.4.140.0100.01117.86
7.4.130.0120.00416.36
7.4.120.0080.00916.53
7.4.110.0070.01016.18
7.4.100.0110.00616.41
7.4.90.0130.00316.37
7.4.80.0110.01019.39
7.4.70.0040.01316.42
7.4.60.0080.00816.42
7.4.50.0030.00616.29
7.4.40.0150.00316.23
7.4.30.0040.01216.65
7.4.00.0040.01115.02
7.3.330.0060.00012.89
7.3.320.0020.00212.86
7.3.310.0030.00315.97
7.3.300.0030.00316.04
7.3.290.0090.00616.12
7.3.280.0100.00816.16
7.3.270.0060.01217.40
7.3.260.0090.00916.23
7.3.250.0090.00916.12
7.3.240.0100.01016.29
7.3.230.0070.01016.45
7.3.210.0080.00816.25
7.3.200.0100.00719.39
7.3.190.0070.01416.23
7.3.180.0100.00616.43
7.3.170.0050.01116.45
7.3.160.0060.00916.23
7.3.120.0080.00614.85
7.3.10.0060.00316.41
7.3.00.0110.00416.62
7.2.330.0060.01216.63
7.2.320.0100.00716.57
7.2.310.0060.01216.59
7.2.300.0130.00316.34
7.2.290.0040.01516.60
7.2.130.0040.01416.79
7.2.120.0000.01516.66
7.2.110.0030.01216.99
7.2.100.0090.00016.82
7.2.90.0000.01017.00
7.2.80.0030.01216.76
7.2.70.0100.00716.82
7.2.60.0070.00916.97
7.2.50.0030.00716.55
7.2.40.0030.00716.90
7.2.30.0120.00316.97
7.2.20.0070.00316.76
7.2.10.0030.00716.75
7.2.00.0070.00917.91
7.1.250.0070.00715.65
7.1.240.0070.00715.50
7.1.230.0110.00415.66
7.1.220.0000.01115.59
7.1.210.0090.00615.55
7.1.200.0040.00715.70
7.1.190.0030.01315.63
7.1.180.0110.00415.81
7.1.170.0110.00315.72
7.1.160.0060.00315.48
7.1.150.0040.01115.85
7.1.140.0090.00015.63
7.1.130.0070.00715.54
7.1.120.0040.01215.87
7.1.110.0130.00015.88
7.1.100.0050.01016.71
7.1.90.0100.00315.41
7.1.80.0040.00815.41
7.1.70.0070.00816.32
7.1.60.0080.01117.74
7.1.50.0080.00816.07
7.1.40.0070.00715.75
7.1.30.0030.00615.64
7.1.20.0070.00715.59
7.1.10.0000.01515.38
7.1.00.0030.04218.88
7.0.330.0040.00715.35
7.0.320.0090.00315.09
7.0.310.0000.01314.95
7.0.300.0060.01015.29
7.0.290.0100.00315.29
7.0.280.0100.00315.15
7.0.270.0080.00815.03
7.0.260.0030.00915.21
7.0.250.0030.01015.39
7.0.240.0080.00015.31
7.0.230.0070.00715.27
7.0.220.0050.00315.45
7.0.210.0050.00515.45
7.0.200.0030.00615.95
7.0.190.0000.01115.39
7.0.180.0090.00315.25
7.0.170.0070.00715.30
7.0.160.0040.00415.39
7.0.150.0110.00415.35
7.0.140.0120.03318.81
7.0.130.0040.00915.32
7.0.120.0100.00315.23
7.0.110.0100.02017.57
7.0.100.0130.02417.56
7.0.90.0020.02817.74
7.0.80.0080.03217.58
7.0.70.0170.04517.68
7.0.60.0260.03417.80
7.0.50.0100.02517.67
7.0.40.0070.04116.55
7.0.30.0020.03616.61
7.0.20.0030.02916.52
7.0.10.0040.03016.58
7.0.00.0080.02116.50
5.6.380.0110.00414.05
5.6.370.0030.01014.51
5.6.360.0000.01613.92
5.6.350.0040.01114.04
5.6.340.0070.00714.49
5.6.330.0100.00614.26
5.6.320.0040.01114.07
5.6.310.0160.00014.25
5.6.300.0030.00614.33
5.6.290.0080.00614.44
5.6.280.0070.03717.51
5.6.270.0090.00014.39
5.6.260.0130.03217.28
5.6.250.0030.02317.31
5.6.240.0050.02317.55
5.6.230.0010.02817.52
5.6.220.0060.03717.43
5.6.210.0000.04217.36
5.6.200.0060.02017.49
5.6.190.0050.02417.45
5.6.180.0100.04017.57
5.6.170.0020.02917.43
5.6.160.0030.03917.38
5.6.150.0050.04217.45
5.6.140.0040.03717.36
5.6.130.0030.04817.48
5.6.120.0040.02417.51
5.6.110.0070.02217.61
5.6.100.0030.03717.42
5.6.90.0070.02317.47
5.6.80.0070.01817.04
5.6.70.0050.03517.23
5.6.60.0000.02717.08
5.6.50.0060.02216.91
5.6.40.0040.03417.12
5.6.30.0070.03017.20
5.6.20.0030.04817.09
5.6.10.0050.03317.13
5.6.00.0080.04217.06
5.5.380.0070.02314.23
5.5.370.0050.02014.38
5.5.360.0050.03214.26
5.5.350.0050.03914.25
5.5.340.0000.03514.62
5.5.330.0030.02214.43
5.5.320.0030.02414.53
5.5.310.0020.03814.54
5.5.300.0050.04014.59
5.5.290.0050.02314.42
5.5.280.0080.03114.66
5.5.270.0030.02814.39
5.5.260.0050.02614.44
5.5.250.0110.03814.26
5.5.240.0050.02914.27
5.5.230.0100.03814.15
5.5.220.0080.02014.17
5.5.210.0000.03014.20
5.5.200.0050.03214.05
5.5.190.0050.01914.03
5.5.180.0030.03814.24
5.5.170.0030.00310.73
5.5.160.0030.03414.29
5.5.150.0100.03514.17
5.5.140.0030.02614.26
5.5.130.0070.02514.15
5.5.120.0070.03114.24
5.5.110.0010.02313.89
5.5.100.0050.03714.09
5.5.90.0070.03114.09
5.5.80.0070.03014.08
5.5.70.0030.04614.10
5.5.60.0070.03713.93
5.5.50.0040.02113.99
5.5.40.0070.02014.11
5.5.30.0020.02613.95
5.5.20.0050.03414.17
5.5.10.0020.02514.15
5.5.00.0130.03213.95
5.4.450.0050.02415.15
5.4.440.0020.02314.97
5.4.430.0020.03715.14
5.4.420.0060.02015.28
5.4.410.0060.03215.25
5.4.400.0060.01714.95
5.4.390.0050.02214.93
5.4.380.0070.03714.92
5.4.370.0060.02214.99
5.4.360.0050.02614.84
5.4.350.0090.02014.99
5.4.340.0030.02314.89
5.4.330.0040.00810.87
5.4.320.0020.02714.87
5.4.310.0080.03314.98
5.4.300.0050.02114.96
5.4.290.0020.02414.92
5.4.280.0050.02214.64
5.4.270.0050.02715.06
5.4.260.0000.02414.82
5.4.250.0070.02115.05
5.4.240.0070.04315.04
5.4.230.0090.03414.90
5.4.220.0020.02414.92
5.4.210.0060.03514.88
5.4.200.0050.03514.92
5.4.190.0020.04514.98
5.4.180.0040.03314.81
5.4.170.0020.04414.90
5.4.160.0070.03814.90
5.4.150.0030.04014.86
5.4.140.0020.04113.52
5.4.130.0050.02213.47
5.4.120.0100.03613.60
5.4.110.0060.01713.40
5.4.100.0130.03513.52
5.4.90.0050.03413.69
5.4.80.0050.02213.54
5.4.70.0060.02213.61
5.4.60.0030.04013.67
5.4.50.0080.03813.53
5.4.40.0080.01713.52
5.4.30.0030.04013.65
5.4.20.0020.03513.72
5.4.10.0020.02413.42
5.4.00.0040.02113.44
5.3.290.0080.01512.56
5.3.280.0110.02112.33
5.3.270.0100.03812.45
5.3.260.0020.02712.47
5.3.250.0050.04212.45
5.3.240.0030.02212.36
5.3.230.0060.03612.45
5.3.220.0050.01812.37
5.3.210.0030.03012.34
5.3.200.0030.04212.31
5.3.190.0030.02312.41
5.3.180.0020.02312.56
5.3.170.0000.02212.35
5.3.160.0060.03412.43
5.3.150.0050.01812.50
5.3.140.0030.02212.51
5.3.130.0080.02512.37
5.3.120.0030.03512.40
5.3.110.0080.02212.42
5.3.100.0020.02312.20
5.3.90.0070.01712.31
5.3.80.0050.02512.08
5.3.70.0030.02012.10
5.3.60.0070.03212.15
5.3.50.0050.01912.02
5.3.40.0090.02612.13
5.3.30.0000.02712.13
5.3.20.0020.02511.87
5.3.10.0030.03211.95
5.3.00.0010.03511.80
5.2.170.0030.02010.79
5.2.160.0050.01510.79
5.2.150.0020.01710.79
5.2.140.0030.01810.79
5.2.130.0000.01810.79
5.2.120.0030.03710.79
5.2.110.0070.03310.79
5.2.100.0000.02010.79
5.2.90.0020.03210.79
5.2.80.0050.02910.79
5.2.70.0080.02010.79
5.2.60.0050.03110.79
5.2.50.0050.02110.79
5.2.40.0000.02010.79
5.2.30.0050.03210.79
5.2.20.0060.01510.79
5.2.10.0020.01510.79
5.2.00.0020.01710.79
5.1.60.0030.01310.79
5.1.50.0000.01610.79
5.1.40.0040.01010.79
5.1.30.0000.01410.79
5.1.20.0070.01210.79
5.1.10.0020.01510.79
5.1.00.0020.01510.79
5.0.50.0000.01510.79
5.0.40.0000.02210.79
5.0.30.0020.02410.79
5.0.20.0030.02510.79
5.0.10.0030.02310.79
5.0.00.0030.01510.79
4.4.90.0000.01210.79
4.4.80.0050.01310.79
4.4.70.0030.01110.79
4.4.60.0020.01110.79
4.4.50.0020.00910.79
4.4.40.0000.02510.79
4.4.30.0000.02110.79
4.4.20.0020.00810.79
4.4.10.0020.01710.79
4.4.00.0000.02210.79
4.3.110.0020.01710.79
4.3.100.0030.01310.79
4.3.90.0070.01310.79
4.3.80.0020.01210.79
4.3.70.0020.01510.79
4.3.60.0000.01510.79
4.3.50.0030.00710.79
4.3.40.0000.01510.79
4.3.30.0030.00910.79
4.3.20.0050.00610.79
4.3.10.0020.01510.79
4.3.00.0000.01910.79

preferences:
42.95 ms | 401 KiB | 5 Q